Nonprofits in Cincinnati, Ohio

Nonprofits in Cincinnati, Ohio. Browse 6,403 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. Ohio Premier Youth Sports Association

    EIN 800654869 · Headquarters: Cincinnati, OH, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  2. Ohio Premium Cigar and Pipe Association Inc

    EIN 464342304 · Headquarters: Cincinnati, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Ohio Professionals for School-age Children Inc

    EIN 311538872 · Headquarters: CINCINNATI, OH, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  4. Ohio Qrt Association

    EIN 882373261 · Headquarters: CINCINNATI, OH, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Ohio Quilts

    EIN 743165295 · Headquarters: Cincinnati, OH, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Ohio Real Estate Investors Association

    EIN 311256858 · Headquarters: CINCINNATI, OH, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Ohio River Foundation

    EIN 311704768 · Headquarters: Cincinnati, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Ohio River Four Wheelers

    EIN 852536075 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Ohio River Launch Club

    EIN 310397355 · Headquarters: Cincinnati, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Ohio River Valley Chapter of the Risk and Insurance Management Soci

    EIN 311369576 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Ohio River Valley Clinical Social Work Societyinc

    EIN 342039514 · Headquarters: CINCINNATI, OH, USA · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  12. Ohio River Way

    EIN 431986935 · Headquarters: CINCINNATI, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. Ohio Senior Olympics Inc

    EIN 311293267 · Headquarters: CINCINNATI, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Ohio Shared Information Services

    EIN 311762094 · Headquarters: Cincinnati, OH, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Ohio Society Sons of the Revolution

    EIN 320633988 · Headquarters: CINCINNATI, OH, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  16. Ohio South State Referee Committee

    EIN 311459820 · Headquarters: Cincinnati, OH, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  17. Ohio Squirrels Water Polo Club

    EIN 261796142 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  18. Ohio State Association of Elks Ibpoe of the World

    EIN 341254636 · Headquarters: Cincinnati, OH, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  19. Ohio State Farm Agents & Associates PAC

    EIN 201353520 · Headquarters: Cincinnati, OH, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  20. Ohio State Medical Assoc Alliance

    EIN 237016058 · Headquarters: Cincinnati, OH, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  21. Ohio State Neurosurgical Society

    EIN 460591331 · Headquarters: CINCINNATI, OH, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. Ohio State Organization - DKG

    EIN 340772598 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Ohio State University

    EIN 821123576 · Headquarters: Cincinnati, OH, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Ohio State University

    EIN 844399259 · Headquarters: Cincinnati, OH, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Ohio State University Young Scholar Program Alumni Society

    EIN 471867310 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  26. Ohio Theta Chapter of the Sigma Phi Epsilon Fraternity

    EIN 310619649 · Headquarters: Cincinnati, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Ohio Urology Coalition

    EIN 453972894 · Headquarters: Cincinnati, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Ohio Valley Alfa Romeo Owners Club

    EIN 332806732 · Headquarters: Cincinnati, OH, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Ohio Valley Branch of the International Dyslexia Association

    EIN 311033260 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Ohio Valley Chapter American Theatre Organ Society

    EIN 316079454 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Ohio Valley Chapter of the National Organization of Minority Archite

    EIN 933753475 · Headquarters: Cincinnati, OH, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Ohio Valley Forestry Fellowship

    EIN 311004515 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Ohio Valley Foundation Fifth Third Bank

    EIN 316008508 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  34. Ohio Valley Goodwill Industries

    EIN 310554062 · Headquarters: Cincinnati, Ohio, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Ohio Valley Gto Association

    EIN 311311530 · Headquarters: CINCINNATI, OH, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Ohio Valley Majestic Brass

    EIN 844056598 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  37. Ohio Valley Officials Association Foot Ball

    EIN 311080415 · Headquarters: Cincinnati, OH, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  38. Ohio Valley Quilters Guild

    EIN 311038262 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Ohio Valley Residential Srvcs Inc C/o James Steele

    EIN 310834124 · Headquarters: CINCINNATI, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Ohio Valley Scottish Society Inc

    EIN 311492869 · Headquarters: Cincinnati, OH, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Ohio Voter Integrity Project

    EIN 455246852 · Headquarters: Cincinnati, OH, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  42. Ohio Water Polo Camp

    EIN 460886878 · Headquarters: cincinnati, OH, US · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  43. Ohio Water Ski Association

    EIN 311784882 · Headquarters: Cincinnati, OH, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  44. Ohio Youth Education and Sports Inc

    EIN 201395586 · Headquarters: Cincinnati, OH, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  45. Ohio-Kentucky Mom Collective

    EIN 932092690 · Headquarters: Cincinnati, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Old Gold Golf Organization

    EIN 992362195 · Headquarters: Cincinnati, OH, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Olive Branch Institute

    EIN 341976643 · Headquarters: CINCINNATI, OH, USA · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  48. Ollie Schmitt Foundation for Scholarships and Assistance For

    EIN 113747708 · Headquarters: Cincinnati, OH, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  49. Oltmanns Ann Tuw Fbo Olqp

    EIN 386846036 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  50. Omega International Social Service

    EIN 800590906 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  51. Omega Nu Tau Sorority Inc

    EIN 237209141 · Headquarters: Cincinnati, OH, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  52. Omega Nu Tau Sorority Inc

    EIN 316086434 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  53. Omega Psi Phi Fraternity

    EIN 311320413 · Headquarters: Cincinnati, OH, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  54. Omega Xi of Kappa Delta Education Fund

    EIN 310913807 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Omicron Delta Epsilon Intl Honor Society in Economics Inc

    EIN 237349399 · Headquarters: Cincinnati, OH, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  56. Omnicare Foundation

    EIN 311389112 · Headquarters: CINCINNATI, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-PF

  57. Omnicare Inc Voluntary

    EIN 311701508 · Headquarters: CINCINNATI, OH, USA · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990

  58. On the Front Lines Community Alliance

    EIN 932064218 · Headquarters: Cincinnati, OH, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Oncology Consultants Cancer Research Fun

    EIN 311431038 · Headquarters: CINCINNATI, OH, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  60. One Hundred Wise Women

    EIN 331120639 · Headquarters: Cincinnati, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  61. One Two Play Llc

    EIN 880538252 · Headquarters: Cincinnati, OH, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. One17 Foundation

    EIN 473431233 · Headquarters: Cincinnati, OH, US · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  63. Onefifteen Recovery C/o Oxford Restructuring Advisors

    EIN 833504845 · Headquarters: CINCINNATI, OH, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Onycha Chapter 222 International Mason and Order of Eastern Stars

    EIN 471794413 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  65. Oola Khan Grotto Band

    EIN 364722031 · Headquarters: Cincinnati, OH, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Opeiu Local 98 Veba Trust

    EIN 311262618 · Headquarters: Cincinnati, OH, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  67. Open Data Cincy

    EIN 463866678 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  68. Open Institute Inc

    EIN 821707895 · Headquarters: CINCINNATI, OH, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  69. Openeyezproduction

    EIN 844561909 · Headquarters: Cincinnati, OH, US · Public & Societal Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  70. Operation Buckeye

    EIN 260110974 · Headquarters: Cincinnati, OH, USA · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  71. Operation Give Back

    EIN 900155844 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Operation Step Up Inc

    EIN 311800282 · Headquarters: Cincinnati, OH, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. Opportunities Knocking Tlp

    EIN 813678434 · Headquarters: Cincinnati, OH, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  74. Opticians Association of Cincinnati Ohio Inc

    EIN 262201662 · Headquarters: Cincinnati, OH, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  75. Optim-All Services

    EIN 811273771 · Headquarters: Cincinnati, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Option Plus Social Services Pantry

    EIN 853117219 · Headquarters: cincinnati, OH, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Oralmaxfax Podcast

    EIN 873485467 · Headquarters: cincinnati, OH, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  78. Oranta

    EIN 392800449 · Headquarters: Cincinnati, OH, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Orchard Hill Swim Club Inc

    EIN 310720769 · Headquarters: Cincinnati, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. Orchestra Music Licensing Association

    EIN 853357274 · Headquarters: Cincinnati, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Order of Deputy Sheriffs

    EIN 412242187 · Headquarters: Cincinnati, OH, US · Crime & Legal Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  82. Order of Hercules Cincinnati Lodge 1

    EIN 316035187 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Order of the Eastern Star of Ohio

    EIN 237503555 · Headquarters: Cincinnati, OH, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  84. Order of the Eastern Star of Ohio

    EIN 237503621 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Order of the Eastern Star of Ohio

    EIN 316038760 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Order of the Eastern Star of Ohio & Jurisdiction Prince Hall Affiliati

    EIN 310958000 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Order of the Eastern Star of Ohio & Jurisdiction Prince Hall Affiliati

    EIN 310958049 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Order of the Eastern Star of Ohio & Jurisdiction Prince Hall Affiliati

    EIN 310958051 · Headquarters: Cincinnati, OH, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  89. Order of the Eastern Star of Ohio & Jurisdiction Prince Hall Affiliati

    EIN 310958053 · Headquarters: Cincinnati, OH, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  90. Order of the Eastern Star of Ohio & Jurisdiction Prince Hall Affiliati

    EIN 310958182 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Order Sons of Italy Cincinnati Lodge 1191 Charitable Foundation

    EIN 264462906 · Headquarters: Cincinnati, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Orient Transition House for Women Inc

    EIN 920874605 · Headquarters: Cincinnati, OH, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Orng Cincinnati Inc

    EIN 271703347 · Headquarters: CINCINNATI, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  94. Orpha Ann Gatch Foundation

    EIN 311544843 · Headquarters: CINCINNATI, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  95. Orphan Kitten Crew

    EIN 843407554 · Headquarters: Cincinnati, OH, US · Animal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  96. Orthodox Charity Eritrea

    EIN 300477006 · Headquarters: CINCINNATI, OH, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Oser-roth and Friends Fest Inc

    EIN 474157879 · Headquarters: CINCINNATI, OH, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. Otr Adopt Inc

    EIN 800672053 · Headquarters: CINCINNATI, OH, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Otr Holdings Inc

    EIN 202363373 · Headquarters: CINCINNATI, OH, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Ots Recovery

    EIN 850767854 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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