| 19 | Greg May | 5-11 | 200 | DB | Freshman | Orem, UT | Mountain View High School | 2010 |
| 2 | Casey Mazzotta | 6-0 | 195 | DB | - | Whittier, CA | Cerritos Junior College | 1992-1993 |
| 46 | Mark McCluskey | 6-1 | 185 | DB | - | Redlands, CA | | 1974-1975 |
| 19 | Brent McCollum | 6-0 | 190 | DB | - | Converse, TX | | 1991-1992 |
| 1 | Hassan McCullough | 5-9 | 175 | DB | - | Pasadena, CA | | 1992-1993 |
| 15 | Dave McKee | 5-9 | 160 | DB | - | Holden, UT | | 1976-1978 | 1981 |
| 45 | Nikia McKinney | 6-0 | 167 | DB | - | Cerritos, CA | Fullerton Junior College | 1996 |
| 21 | Tim McTyer | 6-0 | 180 | DB | - | Los Angeles, CA | LASW Junior College | 1995-1996 |
| 15 | Carter Mees | 6-0 | 190 | DB | Junior | St. George, UT | Pine View High School | 2006 | 2009-2011 |
| 17 | Hank Mercado | 6-0 | 185 | DB | - | Redlands, CA | | 1965-1968 |
| 33 | Scott Merkley | 6-0 | 195 | DB | - | Edmond, OK | | 1992-1994 |
| Harris Meyer | 6-1 | 185 | DB | - | Redwood City, CA | Woodside High School | 2000 |
| 31 | Alphonso Mickelson | 6-0 | 175 | DB | - | Clearfield, UT | | 1973 |
| Shawn Miller | 6-0 | 200 | DB | - | Fielding, UT | | 1988 |
| 17 | Bill Miller | 6-0 | 190 | DB, WR | - | Idaho Falls, ID | Idaho Falls High School | 1968-1971 |
| 30 | Patrick Mitchell | 6-0 | 160 | DB | - | Waco, TX | | 1990-1994 |
| 30 | Brian Mitchell | 5-10 | 165 | DB | Junior | Waco, TX | | 1987-1990 |
| 39 | Cole Miyahira | 6-0 | 197 | DB | - | Las Vegas, NV | Antelope Valley Junior College | 2005-2006 |
| Tevita Moala | 5-10 | 185 | DB | - | Hawthorne, CA | | 1993 |
| 20 | Michael Moore | 6-1 | 200 | DB | - | Moreno Valley, CA | Canyon Springs High School | 2006 |
| 1 | Omarr Morgan | 5-10 | 170 | DB | - | Los Angeles, CA | El Camino Junior College | 1996-1997 |
| 27 | Blake Morgan | 5-11 | 184 | DB | Senior | Greeley, CO | Greeley West High School | 2007-2009 | 2012-2013 |
| 5 | Kyle Morrell | 6-2 | 191 | DB | - | Bountiful, UT | Viewmont High School | 1981-1984 |
| 6 | Kevon Morton | 5-6 | 170 | DB | - | Baytown, TX | Baytown High School | 1997-1999 |
| 25 | Gary Nagy | 6-1 | 185 | DB | - | Laie, HI | Kahuku High School | 2007-2008 |
BYU Fan Store 
From the archives: Come Back, Jack
Softball signs transfer Mylee Davis
