Edward Dean Winter (June 3, 1937 – March 8, 2001) was an American actor. He is best known for his recurring role, Colonel Samuel Flagg, in the television series M*A*S*H from 1973 to 1979.

Winter was born in Ventura, California. He began his acting career in Ashland, Oregon as a member of the cast of the Oregon Shakespeare Festival. During the 1961 season, he played Claudius in Hamlet and stayed for an extended repertory season where he appeared in The Boyfriend and Rashomon. He went on to early successes on Broadway. Winter was twice nominated for Tony Awards as Best Supporting or Featured Actor (Musical). The first was in 1967, as Ernst Ludwig in Cabaret, then in 1969 as J.D. Sheldrake in Promises, Promises. He moved on to television, appearing on the daytime serials The Secret Storm and Somerset.