Robert McKinley (born August 5, 1950) is a former professional tennis player for the ATP Tour. He is currently the assistant men's tennis coach at Texas A&M University. As a professional player, McKinley reached as high as No. 50 in the ATP singles rankings, and reached the semi-finals of the 1972 U.S. Open doubles draw with partner Dick Stockton. McKinley was a 4-time all-American at Trinity University in San Antonio, Texas, and captained Trinity's 1972 NCAA Men's Tennis Championship. He also led Trinity to the NCAA finals as a coach in 1977 and 1979, and was named the NCAA coach of the year after the 1977 season. As a junior player, he was ranked the No. 1 junior tennis player in the United States. He is the brother of tennis player Chuck McKinley.