Reuben Leonard Berry (July 3, 1934 – April 6, 1998) was an American gridiron football coach. He served as the head coach for the Saskatchewan Roughriders of the Canadian Football League (CFL) from 1983 to 1984. From 1969 to 1970, Berry was the head coach at Missouri Southern State University, where he had an overall record of 4–15–1. After leaving MSSU, Berry served as the head coach at Northeastern Oklahoma A&M College and as the defensive line coach for the BC Lions.