| McKay Palmer | 5-11 | 164 | Distance, IM | Freshman | Moreno Valley, CA | Canyon Springs High School | 2012-2013 |
| George Pales | 5-10 | 155 | Diving | - | Berwyn, IL | | 1972-1975 |
| Randy Pacheco | 5-4 | - | Diving | - | Colorado Springs, CO | | 1983-1985 |
| Roger Ormsby | 6-2 | 170 | Back, IM | - | Salt Lake City, UT | | 1980-1982 | 1983-1985 |
| Jin Gee Oon | 6-1 | 167 | Free, Sprint | - | Singapore | | 1984-1987 |
| Jin Teik Oon | 6-0 | 165 | Breast, Free | - | Singapore | | 1984-1987 |
| Matthew Okelberry | | - | | Freshman | American Fork, UT | American Fork High School | 2010-2011 |
| Rob Nielson | 5-11 | 164 | Free | - | Calgary | | 1978-1980 |
| Scott Nicolarsen | 6-3 | 170 | Back, Mid | - | Sheridan, WY | Campbell High School | 1992-1996 |
| Marc Nelson | 6-4 | 180 | Diving | - | Centerville, UT | Viewmont High School | 2006-2007 |
| Scott Nelson | 5-9 | 165 | Diving | - | Tooele, UT | | 1982-1983 |
| Daron Nelson | 5-4 | 135 | Diving | - | Brigham City, UT | | 1986-1988 |
| Ruji Nagata | 5-9 | 162 | Fly, IM | - | Yokohama | | 1990-1991 |
| Brian Nabeta | 6-3 | 170 | Breast | - | El Cerrito, CA | | 1990-1992 |
| Brent Murray | | - | Back, Sprint | Junior | Hayesville, NC | University of Utah | 2012-2013 |
| Soo-tho Kok Mun | 5-6 | 135 | Free, IM | - | Singapore | | 1986-1989 |
| Jason Mulliner | 6-2 | 160 | Breast | - | San Jose, CA | Santa Teresa High School | 1993-1994 |
| Kurt Mullen | 6-2 | 195 | Sprint | - | El Paso, TX | Eastwood High School | 1998-1999 | 2001-2002 |
| Michael Mullen | 6-2 | 180 | Sprint | - | El Paso, TX | Eastwood High School | 1999-2003 |
| Ryan Gotchy Mullen | 6-3 | 190 | Breast, Free | - | El Paso, TX | Eastwood High School | 2000-2001 | 2003-2005 |
| Jared Moyer | 5-7 | 150 | Fly, IM | - | North Bend, OR | North Bend High School | 1997-1998 |
| Drew Moulten | 5-9 | 135 | Diving | - | Colorado Springs, CO | Wasson High School | 2007-2008 |
| Mark Mosher | 5-10 | 175 | Breast, IM | - | Santa Clara, CA | | 1982-1983 |
| Rob Morris | 6-0 | 195 | Free | - | Lake Charles, LA | | 1997-2002 |
| Ron Morris | 5-6 | 135 | Diving | - | La Palma, CA | John F. Kennedy High School | 2004-2006 | 2008-2010 |