Kevin O'Neill may refer to:
Sports Kevin O'Neill (basketball) (born 1957), American basketball coach Kevin O'Neill (cricketer) (1919–2014), Australian cricketer Kevin O'Neill (Australian footballer) (1908–1985), Australian football player Kevin O'Neill (soccer) (born 1925), Australian soccer player Kevin O'Neill (rugby union) (born 1982), New Zealand rugby union player Kevin O'Neill (Gaelic footballer), former Kildare footballer Kevin O'Neill (American football) (born 1975), American football linebacker
Others Kevin O'Neill (comics) (1953–2022), English comic book illustrator Kevin O'Neil (mobster) (born 1948), American former bar owner and mobster