Alumni
| Name | Year |
|---|---|
| Oborn, Spencer | 1998 |
| O’Brian, Chris | 1975 |
| O’Brian, Knute | 1975 |
| Odierno, Scott | 1988 |
| Ogata, Jason | 2006, 2007 |
| O’Hara, Sean | 2009 |
| Oliver, Andy | 2007 |
| Olsen, Shawn | 2005 |
| Olson, Ben | 2017 |
| Olson, John | 1971 |
| Olson, Ryan | 2014, 2015 |
| Ortman, Dillon | 2013 |
| O’Sullivan, Liam | 2014 |
| Otsaka, Tora | 2019 |
| Otten, Josh | 1998 |
| Owen, Jeff | 1985 |