Killy may refer to:
People Edward Killy (1903–1981), American filmmaker Jean-Claude Killy (born 1943), French Olympic skier Jim Killy (born 1942), Hungarian footballer Walther Killy (1917–1985), German literary scholar, Der Killy Killy (rapper) (born 1997) Canadian hip-hop artist, song-writer and rapper
Character Killy (Blame!), a character in the manga Blame!
Places Killingworth, England Killingworth (disambiguation) Killie, a nickname for Kilmarnock, Scotland
Other Another name for the pocket billiards game, Kelly pool