Fiorenzo Serra (3 May 1921, in Porto Torres – 28 September 2005, in Sassari) was an Italian film director and documentarist.

He produced 66 movies and documentaries, mainly based on Sardinia's ethnographic, social and cultural themes.

He won the Agis Prize for the documentary L'Ultimo Pugno di Terra in 1966, realized together the novelist Giuseppe Dessì and the future Italian minister Giuseppe Pisanu, with the supervision of the screenwriter Cesare Zavattini.