The 1980 Louisiana Tech Bulldogs football team was an American football team that represented Louisiana Tech University as a member of the Southland Conference during the 1980 NCAA Division I-A football season. In their first year under head coach Billy Brewer, the team compiled a 5–6 record. Brewer was hired as head coach in December 1979 following the dismissal of Larry Beightol after going 1–9 through the first ten games of the 1979 season.