Robert Joseph Ross is a retired football coach. His career as a head coach included stints at The Citadel, the University of Maryland and Georgia Tech, in the National Football League with the San Diego Chargers and Detroit Lions, and at Army.

Highlights of his coaching career include winning a share of the National Championship at Georgia Tech in 1990, and guiding the San Diego Chargers to an appearance in Super Bowl XXIX. He owns a career record of 100-92-2 throughout 16 seasons as a collegiate head coach, and a 77-68 record as a head coach in the NFL. The lowlight of his career was him quitting as coach of the Detroit Lions during the 2000 season.