| Name | Department | Telephone |
| Olukayode Oso, Adeniyi (Dr) | School of Leadership, Management and Marketing | 0116 250 6713 |
| Olutuase, Samuel (Dr) | School of Leadership, Management and Marketing | +44 116 257 7166 |
| Omar, Paul (Dr) | Leicester De Montfort Law School | 0116 250 6311 |
| O'Meara, Diane (Mrs) | School of Allied Health Sciences | N/A |
| Onah, Godspower (Mr) | School of Leadership, Management and Marketing | 0116 366 4606 |
| O'Neill, Mary (Dr) | School of Arts, Design and Architecture | 0116 250 6054 |
| O'Neill, Sarah (Ms) | School of Applied Social Sciences | 0116 366 4291 |
| Onitiju, Olande (Miss) | Leicester School of Architecture | N/A |
| Onyenokporo, Nwakaego Chikaodinaka (Miss) | Leicester School of Architecture | N/A |
| Oozeerally, Adam (Mr) | Leicester Castle Business School | 0116 2506816 |
| Opiah, Gerald (Mr) | Leicester De Montfort Law School | N/A |
| Oprea, Anamaria (Dr) | School of Applied Social Sciences | 0116 201 3820 |
| Orazgani, Ali (Dr) | Leicester Castle Business School | +44 (0)116 2078934 |
| Orton, David (Mr) | Faculty of Business and Law | 0116 207 8242 |
| Orun, Ahmet (Dr) | School of Computer Science and Informatics | 0116 366 4408 |
| Oshodin, Eseosa (Dr) | School of Computer Science and Informatics | N/A |
| O'Sullivan, Tim (Professor) | Leicester Media School | +44 (0)116 257 7317 |
| Oviasu, Osaretin (Dr) | School of Nursing and Midwifery | 0116 2577529 |
| Owoseni, Adebowale (Dr) | School of Computer Science and Informatics | +44 0116 366 4553 |
| Owusu-Agyei, Samuel (Dr) | Leicester Castle Business School | +44 (0) 116 207 8453 |