Ugo Crousillat (Montenegrin: Igo Kruzija (born 27 October 1990) is a water polo player from France.

He was naturalised to compete for Montenegro's national team.

So far, his biggest international achievement was 2nd place at the European Water Polo Championship held in Eindhoven in 2013.

His father Marc and uncle Michel were also Olympic water polo players for France.

This biographical article relating to a French water polo figure is a stub.