Gary Bizzette Mattocks (born February 23, 1931) is a former American football coach.

He served as the head football coach at Elon University from 1965 to 1966, compiling a record of 3–17.

[1][2] An alumnus of East Carolina University, Mattocks was later employed by the Central Intelligence Agency.

He lives in Southern Pines, North Carolina.

This biographical article relating to a college football coach first appointed in the 1960s is a stub.