Sam Robertson (born February 2, 1943) is a former American football coach. Robertson served as the defensive coordinator for the Texas Tech Red Raiders during the 1978 and 1979 seasons under head coach Rex Dockery. Robertson left Texas Tech after he was named head coach of the Southwestern Louisiana Ragin' Cajuns. While head coach at Southwestern Louisiana (now the University of Louisiana at Lafayette), Robertson compiled a record of 29–34–2 from 1980 to 1985.
Head coaching record
|Southwestern Louisiana Ragin' Cajuns (Southland Conference) (1980–1981)|
|Southwestern Louisiana Ragin' Cajuns (NCAA Division I-A independent) (1982–1985)|