Mel Johnson may refer to:
Mel Johnson (umpire) (born 1942), Australian cricket umpire Mel Johnson Jr. (born 1953), American actor Melvin Johnson (1909–1965), American firearms designer Melvin Johnson III (born 1990), American basketball player Melvin Johnson (American football) (born 1972), American football player Melvin Johnson (serial killer) (1958–2003), American serial killer Melvin N. Johnson, American academic administrator