- O'Brien, Christopher Joseph1
- O'Connor, James Michael1
- O'Rourke, Sean Thomas1
- Ogasian, Jason R.1
- Olgado, Nicholas Paul1
- Oliva, Andrew Alexander1
- Ong, Florentia Nicole1
- Osmer, William Davis.1
- Otuyelu, Adeola Oluwakemi1
- Ouellette, Kelsey Donnel1
- Ozden, Baran1