Active players are listed in bold.
| O' | Patrick O'Bryant | 2006-07 to 2007-08 |
| Ob | Lukasz Obrzut | 2007-08 to 2007-08 |
| Ol | Dean Oliver | 2002-03 to 2002-03 |
| Or | Randall Orr | 2004-05 to 2005-06 |
| Os | Eric Osmundson | 2006-07 to 2007-08 |
| Ow | Aaron Owens | 2002-03 to 2002-03 |
| Andre Owens | 2006-07 to 2006-07 | |
| Geoff Owens | 2002-03 to 2003-04 | |
| Kevin Owens | 2003-04 to 2005-06 |