The 1999 Texas Tech Red Raiders football team represented the Texas Tech University as a member of the Big 12 Conference during the 1999 NCAA Division I-A football season. Led by Spike Dykes in his 13th and final season as head coach, the Red Raiders compiled an overall record of 6–5 with a mark of 5–3, placing in a three-way tie for second in the Big 12's South Division. Team team's offense scored 253 points while the defense allowed 282 points on the season.