William Coffin may refer to:
William Coffin (courtier) (1495–1538), courtier at the court of King Henry VIII of England William Anderson Coffin (1855–1925), American landscape and figure painter William Coffin (diplomat) (1877–1927), American diplomat, US Consul in Jerusalem (1910–1913) William Haskell Coffin (1878–1941), painter and commercial artist William Sloane Coffin Sr. (1879–1933), American businessman William Sloane Coffin (1924–2006), Christian clergyman and peace activist Bill Coffin (born 1970), writer of novels and role-playing games