| Derek Thomas | |
| Birth Date: | 6 September 1966 |
| Birth Place: | Marshall, Texas, U.S. |
| Player Years1: | 1984–1986 |
| Player Team1: | Johnson County CC |
| Player Years2: | 1986–1988 |
| Player Team2: | Missouri-St. Louis |
| Coach Years1: | 1988–1989 |
| Coach Team1: | Missouri-St. Louis (asst.) |
| Coach Years2: | 1989–1991 |
| Coach Team2: | Missouri State (asst.) |
| Coach Years3: | 1991–1992 |
| Coach Team3: | Saint Louis (asst.) |
| Coach Years4: | 1992–1995 |
| Coach Team4: | Christian Brothers |
| Coach Years5: | 1995–1999 |
| Coach Team5: | Saint Louis (asst.) |
| Coach Years6: | 1999–2000 |
| Coach Team6: | Minnesota (asst.) |
| Coach Years7: | 2000 |
| Coach Team7: | Illinois (asst.) |
| Coach Years8: | 2000–2001 |
| Coach Team8: | Atlanta Hawks (scout) |
| Coach Years9: | 2001–2003 |
| Coach Team9: | UNLV (asst.) |
| Coach Years10: | 2003–2008 |
| Coach Team10: | Western Illinois |
| Coach Years11: | 2008–2012 |
| Coach Team11: | Detroit (asst.) |
Derek Thomas (born September 6, 1966) is a former head men's basketball coach at Western Illinois University.[1] His final record in five years with Western Illinois University was 40-104. He is the son of Hall of Fame Kansas City Chiefs defensive back Emmitt Thomas. Thomas has four children.
Derek was an Assistant Basketball coach at the University of Detroit Mercy until resigning in 2012.[2]