Sean Sullivan (born 28 December 1968 in Ōtara, Auckland) is a professional boxer from New Zealand.

He was ranked as the world's seventh best welterweight by the WBA and the IBF.

[1] Sullivan has held national titles in five weight divisions in New Zealand (welterweight, light-middleweight, middleweight, super-middleweight, and light-heavyweight[2]).

[3] Sullivan has been inactive since 2008 but has not formally announced his retirement.

[4] In 2009 he was jailed for six months for defrauding Housing New Zealand.