| 9179 | Okayama Shoka University / 岡山商科大学 |  |  | 10285 | 9772 | 7356 | 5624 |
| 683 | Okayama University / 岡山大学 | | | 656 | 1317 | 701 | 586 |
| 2763 | Okayama University of Science / 岡山理科大学 | | | 3492 | 3953 | 3152 | 3282 |
| 1494 | Okinawa Institute of Science & Technology Graduate University / 沖縄科学技術大学院大学 | | | 3377 | 2805 | 949 | 1643 |
| 9941 | Okinawa International University / 沖縄国際大学 | | | 7756 | 8152 | 7356 | 6084 |
| 10943 | Okinawa Prefectural University of Arts / 沖縄県立芸術大学 | | | 10035 | 9250 | 7356 | 6084 |
| 10608 | Okinawa University / 沖縄大学 | | | 7347 | 9005 | 7356 | 6084 |
| 7025 | Oklahoma Baptist University | |  | 9787 | 4023 | 7356 | 6084 |
| 6721 | Oklahoma Christian University | | | 11691 | 3597 | 7356 | 6084 |
| 6298 | Oklahoma City Community College | | | 5462 | 3238 | 7356 | 6084 |
| 3541 | Oklahoma City University | | | 9066 | 2656 | 5227 | 4534 |
| 6081 | Oklahoma Panhandle State University | | | 7956 | 2798 | 7356 | 6084 |
| 336 | Oklahoma State University Stillwater | | | 780 | 177 | 396 | 557 |
| 7009 | Oklahoma Wesleyan University | | | 1156 | 4760 | 7356 | 6084 |
| 3871 | Olabisi Onabanjo University (Ogun State University) | |  | 3281 | 8838 | 3235 | 3926 |
| 405 | Old Dominion University | | | 1199 | 193 | 458 | 730 |
| 8617 | Olds College | |  | 16447 | 5708 | 7356 | 6084 |
| 6245 | Olivet College | | | 9756 | 2925 | 7356 | 6084 |
| 5065 | Olivet Nazarene University | | | 6405 | 1231 | 7356 | 6084 |
| 5879 | Olympic College | | | 6792 | 2530 | 7356 | 6084 |
| 6674 | Omar Al Mukhtar University | |  | 20546 | 15630 | 4376 | 4673 |
| 7641 | Omdurman Ahlia University | |  | 19351 | 4347 | 7356 | 6084 |
| 7857 | Omdurman Islamic University | | | 3787 | 14698 | 7356 | 4585 |
| 11028 | Omsk State Agricultural University P A Stolypin / мский государственный аграрный университет П АСтолыпина | |  | 4808 | 9828 | 7356 | 6084 |
| 10361 | Omsk State Medical Academy / Омская государственная медицинская академия | | | 4056 | 9087 | 7356 | 6084 |
| 9661 | Omsk State Pedagogical University / Омский государственный педагогический университет | | | 2471 | 8436 | 7356 | 6084 |
| 2944 | Omsk State Technical University / Омский Государственный технический университет | | | 1456 | 3706 | 4589 | 3495 |
| 6745 | Omsk State Transport University / Омский государственный университет путей сообщения ОмГУПС | | | 6726 | 8397 | 4198 | 6084 |
| 3905 | Omsk State University / Омский государственный университет | | | 2393 | 4295 | 5655 | 4534 |
| 7297 | Ono Academic College | |  | 5945 | 9604 | 4338 | 6084 |
| 11863 | Onomichi City University / 尾道大学 | | | 12946 | 10183 | 7356 | 6084 |
| 8472 | Ontario Tech University | | | 6500 | 6250 | 7356 | 6084 |
| 4897 | Open Colleges | |  | 8804 | 983 | 7356 | 6084 |
| 7387 | Open Polytechnic of New Zealand | |  | 9105 | 7150 | 6225 | 6084 |
| 1366 | Open University / Open Universiteit Netherlands | |  | 4098 | 2384 | 991 | 1515 |
| 5207 | Open University Malaysia | |  | 5374 | 6857 | 4045 | 5624 |
| 6788 | Open University of China / 国家开放大学 | |  | 11533 | 3677 | 7356 | 6084 |
| 3050 | Open University of Cyprus | |  | 1150 | 7125 | 3313 | 2879 |
| 2590 | Open University of Hong Kong | |  | 1391 | 2186 | 2957 | 3839 |
| 1896 | Open University of Israel | | | 2495 | 3379 | 1797 | 2149 |
| 6803 | Open University of Japan (University of the Air) / 放送大学 | | | 4961 | 4016 | 7356 | 6084 |
| 9833 | Open University of Kaohsiung / 高雄市立空中大學 | |  | 3835 | 8433 | 7356 | 6084 |
| 4460 | Open University of Sri Lanka | |  | 648 | 9080 | 2897 | 4882 |
| 5716 | Open University of Tanzania | |  | 2769 | 10168 | 6321 | 5022 |
| 371 | Open University UK | |  | 688 | 196 | 360 | 659 |
| 1923 | Opole University of Technology / Politechnika Opolska | |  | 3012 | 2975 | 2616 | 2155 |
| 5104 | Oral Roberts University | | | 4403 | 2633 | 7356 | 5624 |
| 5634 | Orange Coast College | | | 7549 | 2119 | 7356 | 6084 |
| 11535 | Orangeburg Calhoun Technical College | | | 15907 | 9575 | 7356 | 6084 |
| 6430 | Oranim Academic College | | | 3957 | 5797 | 6041 | 6084 |
| 1053 | Orebro University / Örebro Universitet | |  | 2057 | 2503 | 775 | 942 |
| 6979 | Oregon Coast Community College | | | 13172 | 3822 | 7356 | 6084 |
| 9370 | Oregon College of Art & Craft | | | 17001 | 6584 | 7356 | 6084 |
| 11414 | Oregon College of Oriental Medicine | | | 15222 | 9479 | 7356 | 6084 |
| 278 | Oregon Health & Science University | | | 1115 | 466 | 196 | 214 |
| 4589 | Oregon Institute of Technology | | | 6678 | 2515 | 4036 | 6084 |
| 106 | Oregon State University | | | 208 | 65 | 142 | 275 |
| 6932 | Oregon State University Cascades | | | 12461 | 7387 | 5100 | 6084 |
| 10131 | Orel State University / Орловский государственный университет И С Тургенева | | | 3334 | 8899 | 7356 | 6084 |
| 9733 | Orenburg State Agrarian University / Оренбургский государственный аграрный университет | | | 5689 | 8034 | 7356 | 6084 |
| 3061 | Orenburg State University / Оренбургский государственный университет | | | 1807 | 5012 | 1675 | 3839 |
| 6536 | Oriental Institute of Technology / 亞東技術學院 | | | 2115 | 3925 | 7356 | 6084 |
| 6227 | Orissa University of Agriculture & Technology | |  | 17210 | 11659 | 7356 | 4215 |
| 6762 | ORT Braude College | | | 4961 | 10805 | 1915 | 6084 |
| 1062 | Osaka City University / 大阪市立大学 | | | 1269 | 1958 | 1413 | 1007 |
| 11116 | Osaka College of Music / 大阪音楽大学 | | | 15786 | 8991 | 7356 | 6084 |
| 5231 | Osaka Dental University / 大阪歯科大学 | | | 10471 | 8717 | 7356 | 4274 |
| 3655 | Osaka Electro-Communication University / 大阪電気通信大学 | | | 5390 | 5680 | 4604 | 3926 |
| 5706 | Osaka Gakuin University / 大阪学院大学 | | | 3944 | 6083 | 7356 | 5178 |
| 2643 | Osaka Institute of Technology / 大阪工業大学 | | | 4002 | 4726 | 1330 | 3141 |
| 6351 | Osaka International University / 大阪国際大学 | | | 5552 | 7613 | 7356 | 5178 |
| 3816 | Osaka Kyoiku University / 大阪教育大学 | | | 3117 | 3615 | 7356 | 3839 |
| 2600 | Osaka Medical College / 大阪医科大学 | | | 6275 | 4782 | 5373 | 2000 |
| 5427 | Osaka Ohtani University / 大阪大谷大学 | | | 6431 | 10909 | 7356 | 4073 |
| 1175 | Osaka Prefecture University / 大阪府立大学 | | | 1785 | 2379 | 970 | 1178 |
| 4288 | Osaka Sangyo University / 大阪産業大学 | | | 4049 | 5198 | 7356 | 3979 |
| 11268 | Osaka Seikei Gakuen / 大阪成蹊大学 | | | 13341 | 9436 | 7356 | 6084 |
| 10343 | Osaka Shoin Women's College / 大阪樟蔭女子大学 | | | 4940 | 8936 | 7356 | 6084 |
| 194 | Osaka University / 大阪大学 | | | 220 | 346 | 173 | 163 |
| 7902 | Osaka University of Arts / 大阪芸術大学 | | | 5480 | 5518 | 7356 | 6084 |
| 8986 | Osaka University of Commerce / 大阪商業大学 | | | 13536 | 9288 | 7356 | 5624 |
| 8438 | Osaka University of Economics / 大阪経済大学 | | | 4961 | 6357 | 7356 | 6084 |
| 10320 | Osaka University of Economics and Law / 大阪経済法科大学 | | | 9929 | 8450 | 7356 | 6084 |
| 7066 | Osaka University of Health and Sport Sciences / 大阪体育大学 | | | 8961 | 9894 | 7356 | 5022 |
| 5215 | Osaka University of Pharmaceutical Sciences / 大阪薬科大学 | | | 12685 | 9733 | 7356 | 4031 |
| 4983 | Oslo Metropolitan University | |  | 1829 | 6295 | 1264 | 6084 |
| 8196 | Oslo National Academy of the Arts / Kunsthøgskolen i Oslo | | | 6633 | 5836 | 7356 | 6084 |
| 5488 | Oslo School of Architecture / Arkitektur- og designhøgskolen i Oslo | | | 5198 | 4498 | 7356 | 5341 |
| 2148 | Osmania University Hyderabad | | | 7594 | 4763 | 1974 | 1918 |
| 8501 | Ostbayerische Technische Hochschule Amberg Weiden | |  | 5809 | 6350 | 7356 | 6084 |
| 5335 | Ostbayerische Technische Hochschule Regensburg | | | 2233 | 4577 | 5107 | 6084 |
| 6605 | Ostfalia Hochschule für Angewandte Wissenschaften | | | 4864 | 3741 | 7356 | 6084 |
| 1917 | Ostfold University College / Høgskolen i Østfold | | | 1223 | 1422 | 3075 | 2937 |
| 7374 | Osun State University | | | 13757 | 10239 | 3160 | 6084 |
| 3532 | Otago Polytechnic | | | 8198 | 2896 | 4452 | 4585 |
| 7297 | Otani University / 大谷大学 | | | 5790 | 4664 | 7356 | 6084 |
| 6855 | Otaru University of Commerce / 小樽商科大学 | | | 3756 | 5586 | 6754 | 6084 |
| 9370 | Otemae University / 大手前大学 | | | 5363 | 7605 | 7356 | 6084 |
| 8848 | Otemon Gakuin University / 追手門学院大学 | | | 7347 | 6711 | 7356 | 6084 |
| 10165 | Otero Junior College | | | 15415 | 7806 | 7356 | 6084 |
