Donald Carl Breaux (born August 3, 1940) is a former American football player and coach. He played college football at McNeese State College and in the American Football League (AFL). He served two stints as an assistant coach under head coach Joe Gibbs with the Washington Redskins of the National Football League (NFL).
Breaux attended McNeese State University and was a standout quarterback. He played professionally in the AFL for the Denver Broncos in 1963 and the San Diego Chargers in 1964 and 1965.