| Brad Jarocki | Men's Swimming & Diving | 5-10 | 160 | Fly | - | Mission Viejo, CA | Mission Viejo High School | 1989-1993 |
| Sheri Jensen | Women's Swimming & Diving | 5-6 | - | Fly, Free | - | Baywood, CT | Tarpon Springs High School | 1985-1986 |
| Kristian Johansson | Men's Swimming & Diving | 6-0 | 160 | Fly, IM | - | Espoo | | 1988-1991 | 1992-1993 |
| Paul Johnson | Men's Swimming & Diving | 6-2 | 165 | Fly, Free | - | Sacramento, CA | | 1980-1981 | 1983-1986 |
| Chris Johnston | Men's Swimming & Diving | 5-9 | 170 | Fly | - | Saskatchewan | | 1986-1988 |
| Chris Jorgensen | Men's Swimming & Diving | 6-5 | 205 | Fly, Free | - | Colorado Springs, CO | | 1999-2000 |
| Dianne Julian | Women's Swimming & Diving | 5-2 | - | Distance, Fly, Free | - | Pearl City, HI | | 1982-1984 |
| 127 | Lyndi Juvan | Women's Swimming & Diving | 5-4 | - | Fly | - | Mesa, AZ | Mountain View High School | 2000-2004 |
| David Karlsson | Men's Swimming & Diving | 6-5 | 195 | Fly, Free, IM | - | Laholm | | 1998-1999 |
| Kelley Karren | Men's Swimming & Diving | 5-8 | 140 | Fly | - | Salt Lake City, UT | | 1991-1992 | 1994-1995 |
| Kimberly Killman | Women's Swimming & Diving | 5-4 | - | Fly, Free, Sprint | - | Sacramento, CA | Foothill High School | 1987-1992 |
| Corey Killpack | Men's Swimming & Diving | 6-0 | 170 | Fly, IM | - | Magna, UT | | 1978-1979 | 1981-1984 |
| Marnie Knoop | Women's Swimming & Diving | 5-8 | - | Fly, Free, IM | - | Park City, UT | Skyline High School | 2008-2012 |
| Ryan Krause | Men's Swimming & Diving | 6-2 | 180 | Fly, Free | - | San Diego, CA | Palomar Junior College | 2010-2012 |
| Aaron Lancaster | Men's Swimming & Diving | 5-11 | 165 | Fly, Sprint | - | Moore, OK | Moore High School | 1995-1996 |
| Levi Larsen | Men's Swimming & Diving | 5-9 | 165 | Fly | - | Rochester Hills, MI | Rochester Adams High School | 1998-1999 | 2001-2004 |
| Andrea Larsen Nelson | Women's Swimming & Diving | 5-8 | - | Fly | - | Salt Lake City, UT | Brighton High School | 1995-1997 |
| Amy Leeper Warmington | Women's Swimming & Diving | 5-4 | - | Fly, Free | - | Salt Lake City, UT | Skyline High School | 1989-1993 |
| Poon Kah Leong | Men's Swimming & Diving | 5-9 | 156 | Fly | - | Singapore | | 1988-1991 |
| 55 | Heidi Lietz McMillan | Women's Swimming & Diving | 5-5 | - | Fly, Free | - | Walnut Creek, CA | Northgate High School | 1999-2002 | 2004-2005 |
| Ryan Lifferth | Men's Swimming & Diving | 6-0 | 158 | Fly, Free | - | Layton, UT | | 1991-1992 |
| Eadelin Lim | Women's Swimming & Diving | 5-2 | - | Back, Fly, Free | - | Singapore - Katang Convent Secondary | Katang Convent Secondary | 1995-1997 |
| Jeff Linden | Men's Swimming & Diving | 5-11 | 168 | Breast, Fly, IM | - | El Paso, TX | | 1980-1981 |
| Elise Livengood | Women's Swimming & Diving | 5-7 | - | Fly, Free, IM | - | Atascadero, CA | Atascadero High School | 2005-2009 |
| Robert Loose | Men's Swimming & Diving | 6-2 | 195 | Fly | - | Puyallup, WA | Woodrow Wilson High School | 1992-1993 | 1995-1998 |
BYU Fan Store 
From the archives: Come Back, Jack
Softball signs transfer Mylee Davis
