 2003 Texas Tech Red Raiders football team

The 2003 Texas Tech Red Raiders football team represented Texas Tech University in the Big 12 Conference (Big 12) during the 2003 NCAA Division I-A football season.In their fourth season under head coach Mike Leach, the Red Raiders compiled an 8–5 record (4–4 against Big 12 opponents), finished in fourth place in Southern Division of the Big 12, defeated Navy in the 2003 Houston Bowl, and outscored opponents by a combined total of 552 to 442.