Chris O'Neil or O'Neill may refer to:
Chris O'Neil (tennis) (born 1956), Australian female tennis player Chris O'Neil (footballer) (born 1995), Scottish footballer Chris O'Neill (YouTuber) (born 1990, also known as Oney or OneyNG), Irish animator and Internet personality Christopher O'Neill (born 1974), husband of Princess Madeleine of Sweden Christopher John O'Neill, American comedian and Broadway actor
See also Chris O'Neal (born 1994), American actor