Sean Clarkson (born 1969) is a New Zealand sailor who has sailed at the Summer Olympics and in multiple Whitbread Round the World Races and America's Cups. Clarkson grew up in Kerikeri and attended the University of Auckland for marine biology. He left university to join New Zealand Challenge and was a grinder on board NZL 20 during the 1992 Louis Vuitton Cup. He then sailed in the 1993–94 Whitbread Round the World Race on NZ Endeavour, which won the race, before joining Tag Heuer Challenge for the 1995 Louis Vuitton Cup. He competed in the 1997–98 Whitbread Round the World Race on Toshiba.