Šime Fantela (born 19 January 1986) is a Croatian professional sailor.
Competing in the 470 class with Igor Marenic, he won gold at the 2016 Summer Olympics, the 2009 World Championships, and three European Championships (2009, 2011, 2012).
At the 470 World Championships in 2009 in Rungsted, Fantela and Marenic became the first Croatians to win a gold medal at the ISAF World Championships.