A -- B -- C -- D -- E -- F -- G -- H -- I -- J -- K -- L -- M -- N -- O -- P -- Q -- R -- S -- T -- U -- V -- W -- X -- Y -- Z

1. ORT Uruguay
2. Oakland University
3. Oberlin College
4. Occidental College
5. Odense University
6. Odessa College
7. Odessa State Politechnic University
8. Oglethorpe University
9. Ohio College of Podiatric Medicine
10. Ohio Northern University
11. Ohio State University (Columbus, Ohio)
12. Ohio University
13. Ohio Wesleyan University
14. Oita University
15. Okanagan University College
16. Okayama Prefectural University
17. Oklahoma Baptist University
18. Oklahoma City University
19. Oklahoma State University
20. Oklahoma University
21. Old Dominion University
22. Olin College of Engineering
23. Olivet Nazarene University
24. Omega School of Theology
25. Onondaga Community College
26. Ontario Institute for Studies in Education
27. Open Learning Agency
28. Open University
29. Open University (UK)
30. Open University of Israel
31. Open University of the Netherlands (Heerlen, The Netherlands)
32. Oppland College
33. Oral Roberts University
34. Orange Coast College
35. Oregon Graduate Institute of Science and Technology
36. Oregon Health and Science University
37. Oregon Institute of Technology
38. Oregon State University
39. Oriental Institute of Technology
40. Osaka City University
41. Osaka Kyoiku University
42. Osaka Medical College
43. Osaka Prefecture University
44. Osaka University
45. Osaka University of Foreign Studies
46. Osmania University
47. Ostfold College
48. Otterbein College
49. Otto von Guericke Universitat, Magdeburg
50. Oulu Institute of Technology
51. Our Lady of the Lake University
52. Oviedo University
53. Owensboro Community College
54. Oxford Brookes University
55. Oxford University

See also : Colleges and universities