Football Card Singles - By Player Last Name
- Oakley, Annie
- Oakman, Shawn
- Oates, Bart
- Obama, Barack
- Obomanu, Ben
- O'Brien, Ken
- Ochocinco, Chad
- Ochs, Craig
- O'Connell, Kevin
- O'Connor, Tyler
- Odighizuwa, Owamagbe
- Odom, Antwan
- Odomes, Nate
- O'Donnell, Neil
- Ogbah, Emmanuel
- Ogbonnaya, Chris
- Ogbuehi, Cedric
- Ogden, Jonathan
- Ogletree, Alec
- Ogletree, Kevin
- Ogunbowale, Dare
- Ojo, Onomo
- Okafor, Alex
- Okam, Frank
- Okeafor, Chike
- Okoronkwo, Ogbonnia
- Okoye, Amobi
- Okoye, Christian
- Okung, Russell
- Okwo, Michael
- O'Leary, Nick
- Olinger, Jon
- Oliver, Branden
- Oliver, Ed
- Oliver, Isaiah
- Oliver, Josh