| 6 | McKay Jacobson | Men's Football | 5-11 | 199 | WR | Senior | Southlake, TX | Southlake Carroll High School | 2006 | 2009-2011 |
| 4 | Cami Jensen | Women's Soccer | 6-0 | - | D | Senior | Logan, UT | Logan High School | 2009-2012 |
| Brooke Jensen | Women's Track & Field | 5-8 | - | Hur, Sprint | Senior | Salt Lake City, UT | Davis High School | 2010-2012 |
| 10 | Colette Jepson | Women's Soccer | 5-5 | - | F | Senior | Kaysville, UT | UNLV | 2011-2012 |
| Madeleine Johnson | Women's Gymnastics | 5-3 | - | All | Senior | Park City, UT | | 2008-2011 |
| Ryan Jones | Men's Cross Country | 5-7 | 140 | | Senior | West Haven, UT | Fremont High School | 2006 | 2010-2012 |
| Ryan Jones | Men's Track & Field | 5-7 | 140 | Mid | Senior | West Haven, UT | | 2007 | 2011-2013 |
| 34 | Austen Jorgensen | Men's Football | 6-2 | 239 | LB | Senior | Mt. Pleasant, UT | North Sanpete High School | 2007 | 2010-2013 |
| 71 | Walter Kahaiali'i | Men's Football | 6-3 | 325 | OL | Senior | Lahaina, HI | Kamehameha-Maui High School | 2006-2007 | 2010-2011 |
| 33 | Bryan Kariya | Men's Football | 6-0 | 217 | RB | Senior | Kaysville, UT | Davis High School | 2005 | 2008-2011 |
| 8 | Joe Kauliakamoa | Men's Volleyball | 6-5 | - | S | Senior | Las Vegas, NV | Palo Verde High School | 2008-2012 |
| 25 | Christian Keil | Men's Swimming & Diving | 5-11 | 175 | Back, Free | Senior | Hayward, CA | Mt. Eden High School | 2005-2006 | 2008-2011 |
| Amanda Keith | Women's Golf | 5-5 | - | | Senior | Burbank, CA | Burbank High School | 2008-2013 |
| Melissa Keltner | Women's Track & Field | 5-5 | - | Jumps | Senior | Chino Hills, CA | Chino Hills High School | 2010-2013 |
| 25 | John Kendrick | Men's Swimming & Diving | 6-1 | 185 | Free | Senior | Plano, TX | Plano Senior High School | 2005-2006 | 2008-2011 |
| 8 | Mercede Koning | Women's Soccer | 5-7 | - | D, MF | Senior | Layton, UT | St. Mary's, CA | 2007-2010 |
| Jonathan Kotter | Men's Cross Country | 5-8 | 140 | | Senior | Sandy, UT | Alta High School | 2006-2010 |
| Krysten Koval | Women's Gymnastics | 5-3 | - | All | Senior | Gun Barrel City, TX | | 2009-2012 |
| Michaelanne Laurent | Women's Cross Country | 5-9 | - | | Senior | Henderson, NV | Coronado High School | 2009-2012 |
| 5 | Russ Lavaja | Men's Volleyball | 6-7 | - | MB | Senior | St. Charles, IL | St. Charles North High School | 2009-2013 |
| Cecily Lemmon-Lew | Women's Track & Field | 5-6 | - | Dis | Senior | Vacaville, CA | Vacaville High School | 2007-2011 |
| 31 | Aveni Leung-Wai | Men's Football | 6-1 | 227 | LB | Senior | Aiea, HI | Grossmont Junior College | 2010-2011 |
| Jennifer Lezeu | Women's Gymnastics | 5-2 | - | All | Senior | Waterloo | | 2009-2012 |
| Cade Lindahl | Men's Track & Field | 6-1 | 175 | Sprint | Senior | Dana Point, CA | | 2009 | 2011-2013 |
| 18 | Lindsi Lisonbee Cutshall | Women's Soccer | 5-10 | - | D | Senior | Park City, UT | Park City High School | 2009-2012 |
BYU Fan Store 
From the archives: Come Back, Jack
Softball signs transfer Mylee Davis
