Flavio Marazzi (born 7 February 1978 in Bern) is a Swiss sailor.

He has participated in four Olympics from 2000 to 2012 competing in the Star class keelboat, finishing fourth in the 2008 edition together with Enrico De Maria.

[1] Flavio Marazzi now sails on a GC32 Catamaran in the team BLACK STAR.

He is the brother of Renato Marazzi.

This biographical article related to sailing in Switzerland is a stub.