The Undertaker is a nickname of:
Bill Baker (Canadian football) (born 1944), Canadian retired football player
Vincent Brown (linebacker) (born 1965), American former National Football League player and current college coach
Johnny Cash (1932-2003), American singer-songwriter, actor and author, early in his career
Mark William Calaway (born 1965), American professional wrestler
Stefano Magaddino (1891-1974), Sicili 1992), Canadian National Hockey League player
Kevin Thomas (darts player) (born 1980), Welsh darts player
Chris Walsh (American football) (born 1968), American retired National Football League player