| Name (Maiden) | When Served | President(s) served under | Alumni News |
| O | |||
| Oborn, Richard C. | 74-76 | D. Thomas Stapley | |
| Ogletree, Mark D. | 82-84 | Pres. L. Dale Hanks | |
| Olsen, Alan Bruce | 71-73 | Whitesides/ Price |
 |
| Ostler, Joseph | 01-02 | Larsen/Hinckley |
|
| Otterstrom, Ronald S. | 86-88 | Bradshaw/Cutler |
|
| Owens, Brad S. | 89-91 | Cutler/ MacFarlane | |