- O'Connell, Anna R.1
- O'Connell, Hayden1
- O'Connell, Piper1
- O'Connor, O'Connor1
- O'connor, Shannon R.1
- O'donnell, Matthew1
- Obert, Sean1
- Oconnor, Sean1
- Offstein, Ryan1
- Omura, David1
- Onffroy, Maxwell2
- Osgood, Adam1
- Ossing, Sarah1
- Ostrum, Taylor L.1
- Oxford, Heather1