 | Obermann, Gustavo |
| Ocello, Veronica Natalia Mariana |
| Ochoa, Esteban |
| Olbeyra, Romina Paula |
| Oliva Arias, Laura Luciana |
| Oliva, Flavia |
| Oliva, Gabriela Rita |
| Olivera, Natalia |
| Olivera, Rosa Maria |
| Olmo, Gabriela |
| Ontivero, Aymará |
| Orellana, Cristian Alejandro |
| Ormeño, Dardo Oscar |
| Ortega, Carolina |
| Ortiz de Zarate, Carolina |
| Ortiz, Juan Carlos |
| Ortiz, Mariano |
| Ortiz, Rocio Candela |
| Ossemani, Santiago |
| Otazu, Luis Federico |
| Otaño, Jorge Horacio |
| Oviedo, Patricia N |
| Ovin, Cesar |
| Oyarzabal, Laura |
