List of Famous people with last name O-sullivan

Ronald Antonio O'Sullivan is an English professional snooker player from Essex. As a six-time world champion, a record seven-time Masters champion, and a record seven-time UK champion, he is the most successful player in the history of snooker's Triple Crown Series, with a record 20 titles. He also holds the record for the most ranking titles in professional snooker, with 37. His career prize money of over £11.7 million is the most by any player in snooker history.

Gary "Spike" O'Sullivan is an Irish professional boxer. Between 2009 and 2017, he held multiple middleweight championships at regional level including Irish, WBA and WBO titles. All three losses of his career came against future and former world champions.

Patrick O'Sullivan is a Canadian-born American former professional ice hockey forward who played in the National Hockey League (NHL) for the Los Angeles Kings, Edmonton Oilers, Carolina Hurricanes, Minnesota Wild and Phoenix Coyotes.

Donie O'Sullivan is an Irish former Gaelic footballer who played for the Spa club and at senior level for the Kerry county team between 1962 and 1975. He was the recipient of Kerry's first All Star Award in 1971, a feat he repeated in 1972. In 2019, he was inducted into Munster GAA's "hall of fame".

Sonia O'Sullivan is an Irish former track and field athlete. She won a gold medal in the 5000 metres at the 1995 World Championships, and a silver medal in the 5000 metres at the 2000 Olympic Games. Her 2000 m world record of 5:25.36, set in 1994 stood until 2017.

Shawn O'Sullivan is a retired Canadian boxer who won gold at the World Amateur Championships in 1981 and the light middleweight silver medal at the 1984 Summer Olympics.

Christian O'Sullivan is a Norwegian handball player for SC Magdeburg and the Norwegian national team.

Raymond Edward "Gilbert" O'Sullivan is an Irish singer-songwriter who achieved his most significant success during the early 1970s with hits including "Alone Again (Naturally)", "Clair", and "Get Down". O'Sullivan's songs are often marked by his distinctive, percussive piano playing style and observational lyrics using word play.

Richard O'Sullivan is an English comedy actor, who is known for his role as Robin Tripp in the 1970s sitcoms Man About the House (1973–1976) and Robin's Nest (1977–1981) and as the title character in the period family adventure series Dick Turpin (1979–1982). O'Sullivan also starred in Doctor at Large, Doctor in Charge, Trouble in Mind, Alcock and Gander and Me and My Girl.

Thaddeus O'Sullivan is an Irish director, cinematographer, and screenwriter.