Alexis Manenti (born 12 February 1982) is a French actor and screenwriter, most noted for the 2019 film Les Misérables.

He was the winner of the César Award for Most Promising Actor at the 45th César Awards, and the Lumières Award for Best Male Revelation at the 25th Lumières Awards, for his performance. With co-writers Ladj Ly and Giordano Gederlini, he won the Lumières Award for Best Screenplay, and was nominated for the César Award for Best Original Screenplay and the European Film Award for Best Screenwriter.