 | Oates, Tim |
| Oblinger, Daniel |
| Oblow, E. M. |
| Obradovic, Dragan |
| Obradovic, Zoran |
| Obradović, Zoran |
| Occam, William of |
| Ogawa, Hidemitsu |
| Ogielski, A. T. |
| Oh, J. H. |
| Oh, Jong-Hoon |
| Ohsawa, Yukio |
| Ohsuga, Setsuo |
| Ohtani, T. |
| Ohyama, Wataru |
| Oja, E. |
| Oja, Erkki |
| Ok, DoKyeong |
| Okada, Mitsuhiro |
| Okadome, T. |
| Okamoto, Seishi |
| Okamoto, Wataru |
| Okazaki, Takumi |
| Okubo, Yoshiaki |
| Oles, Frank J. |
| Oliveira, Arlindo L. |
| Oliver, Jonathan J. |
| Olshen, R. A. |
| Omohundro, S. |
| Oncina, J. |
| Oncina, Jose |
| Oncina, José |
| Ong, Chong Jin |
| Ono, Hirotaka |
| Onoda, T. |
| Ootani, Hisashi |
| Ooyama, Yoshifumi |
| Opitz, David W. |
| Opper, M. |
| Opper, Manfred |
| Ordentlich, Erik |
| Orihara, R. |
| Orlitsky, A. |
| Ormoneit, Dirk |
| O'Rorke, Paul |
| O'Rourke, M. K. |
| Orphanoudakis, S. |
| Orponen, P. |
| Orponen, Pekka |
| Osherson, D. |
| Osherson, D. N. |
| Osherson, Daniel |
| Osherson, Daniel N. |
| Oshima-Takane, Yuriko |
| O'Sullivan, Joseph |
| Otsuki, S. |
| Otsuki, Setsuo |
| Ott, M. |
| Ott, Matthias |
| Owens, Christopher |
| Owshanko, Avi |
| Ozaki, Tomonobu |
