- OAH Lerner-Scott Dissertation Prize
- Oak Ridge Institute for Science and Education (ORISE)
- OCA Avon College Scholarship
- OCA-AXA Achievement Scholarship
- OCA National Essay Contest
- OCA-SYSCO Scholarship
- OCA/UPS Foundation Gold Mountain Scholarship
- OCA-Verizon Scholarship
- Odd Fellows and Rebekahs
- Office of Navajo Nation Scholarship and Financial Assistance
- Office of Postsecondary Education-International Education and Graduate Programs Service, U.S. Department of Education
- Ohio Academic Scholarship Program
- Ohio American Legion
- Ohio Association of Career Colleges and Schools
- Ohio Board of Regents
- Ohio Civil Service Employees Association
- Ohio Department of Education
- Ohio Forestry Association
- Ohio Instructional Grant
- Ohio Missing in Action and Prisoners of War Orphans Scholarship
- Ohio National Guard
- Ohio Newspapers Foundation
- Ohio Newspapers Foundation Minority Scholarship
- Ohio Newspapers Foundation University Journalism Scholarship
- Ohio OTA Rosa Hartsook Scholarship
- Ohio Police Corps
- Ohio Safety Officers College Memorial Fund
- Ohio Student Choice Grant Program
- Ohio War Orphans Scholarship
- Ohkay Owingeh Tribal Scholarship of the Pueblo of San Juan
- OI Foundation Clinical Seed Grant
- OI Foundation Seed Grant
- Oklahoma Educational Foundation for Osteopathic Medicine
- Oklahoma State Regents for Higher Education
- Oklahoma Tuition Aid Grant
- Omaha Presbyterian Seminary Foundation
- Omaha Symphony Guild
- Omicron Nu Research Fellowship
- Omnova Solutions Foundation
- Omohundro Institute of Early American History and Culture
- Oncology Nursing Certification Corporation/Novartis Oncology Advanced Oncology Certified Nurse of the Year Award
- Oncology Nursing Society/Amgen, Inc. Excellence in Patient/Public Education Award
- Oncology Nursing Society/Bristol-Meyers Squibb Oncology Division Distinguished Researcher Award
- Oncology Nursing Society/Roche Laboratories, Inc. Distinguished Service Award
- Oneida Tribe of Indians of Wisconsin
- ONS/Abbott Laboratories Dr. Mary Nowotny Excellence in Cancer Nursing Education Award
- ONS Foundation
- ONS Foundation/American Brain Tumor Association Grant
- ONS Foundation/Amgen, Inc. Research Grant
- ONS Foundation/Aventis New Investigator Research Grant
- ONS Foundation/Aventis Research Fellowship
- ONS Foundation/Aventis Research Grant
- ONS Foundation/Bristol-Myers Oncology Division Research Grant
- ONS Foundation/Bristol-Myers Squibb Oncology Division Chapter Research Grant
- ONS Foundation/Bristol-Myers Squibb Thomas Jordan Doctoral Scholarship
- ONS Foundation Doctoral Scholarships
- ONS Foundation Ethnic Minority Researcher and Mentorship Grants
- ONS Foundation Josh Gottheil Memorial Bone Marrow Transplant Career Development Awards
- ONS Foundation/Meniscus Limited Multidisciplinary Education and Practice Career Development Award
- ONS Foundation Novice Researcher and Mentorship Grants
- ONS Foundation Nurse Administrator/Manager Career Development Award
- ONS Foundation Nursing Outcomes Research Grant
- ONS Foundation/Oncology Nursing Certification Corporation Oncology Nursing Education Research Grant
- ONS Foundation/Oncology Nursing Society/Cancer Public Education Projects
- ONS Foundation Oncology Nursing Society Research Grant
- ONS Foundation/Ortho Biotech Oncology Nursing Symptom Management Research Grant
- ONS Foundation/Ortho Biotech Products, L.P. Research Fellowship
- ONS Foundation/Pat McCue/New Orleans Chapter End-Of-Life Care Nursing Career Development Award
- ONS Foundation/Pearl Moore Career Development Awards
- ONS Foundation/Purdue Pharma, L.P. Trish Greene Research Grant
- ONS Foundation/Sigma Theta Tau International Research Grant
- ONS Foundation/SuperGen, Inc. Connie Henke Yarbro Excellence in Cancer Nursing Mentorship Award
- ONS/IMPAC Medical Systems, Inc. Excellence in Nursing Informatics Award
- ONS/Marsh Affinity Group Linda Arenth Excellence in Cancer Nursing Management Award
- ONS/Pharmacia Oncology Excellence in Oncology Nursing Private Practice Award
- ONS Publishing Excellence/Pharmacia Quality of Life Award
- ONS Publishing Excellence/SuperGen, Inc. Susan Baird Oncology Writing Awards
- ONS Publishing Excellence/SuperGen Marcia C. Liebman New Writer Award
- ONS/Purdue Pharma, L.P. Excellence in Pain Management Award
- ONS/Purdue Pharma L.P. Trish Greene Memorial Quality of Life Lectureship
- ONS/Schering Oncology/Biotech Clinical Lectureship
- ONS/Schering Oncology/Biotech Excellence in Biotherapy Nursing Award
- ONS/Schering Oncology/Biotech Excellence in Cancer Nursing Research Award
- ONS/SuperGen, Inc. Award for Excellence of Scholarship and Consistency of Contribution to the Oncology Nursing Literature
- ONS/Susan G. Komen Foundation Excellence in Breast Cancer Education Award
- ONS/Varian Medical Systems Excellence in Radiation Therapy Nursing Award
- Ontario Federation of Anglers and Hunters
- Ontario Federation of Anglers and Hunters Conservation Research Grant
- Ontario Federation of Anglers and Hunters Sport Fisheries Research Grant
- Ontario Federation of Anglers and Hunters Wildlife Research Grant
- Oppenheimer Scholarship
- Optimist International Essay Contest
- Optimist International Foundation
- Optimist International Oratorical Contest
- Optometry Scholarship Program
- Oral-B Laboratories Dental Hygiene Scholarship
- Orange County Chapter/Harry Jackson Scholarship Fund
- Oratorical Contest Scholarship-Iowa
- Ordean Foundation
- Order of the Alhambra
