John Patrick Amedori (born April 20, 1987) is an American actor and musician. He is perhaps best known for his portrayal of the thirteen-year-old Evan Treborn in The Butterfly Effect.

Amedori has also appeared in a number of television shows, including Law & Order, Nip/Tuck, Joan of Arcadia and Ghost Whisperer, as well as a part in the film Stick It. In 2006, Amedori starred in Fox's drama series Vanished, and in 2008 was cast as Aaron Rose in Gossip Girl as a love interest of Serena van der Woodsen and the stepbrother of Blair Waldorf. Amedori stars as Gabe Mitchell in the Netflix television series "Dear White People”.