- O'Connell, Virginia Elizabeth1
- O'Dea, Stephen E.1
- O'Hearn, Marshall David1
- O'Malley, Patrick D.1
- O'Neil, Rebecca A.1
- O'Neill, Brianne E.1
- Ochs, Michael T.1
- Olloqui, Fernando Miguel1
- Olson, Christopher J.1
- Orfalea, William Joseph1
- Otterman, Amanda Dale1
- Overson, Jason Michael1