Ralph Philander Ahn (September 28, 1926 – February 26, 2022) was an American actor. He was the last surviving son of leading Korean independence activist Dosan Ahn Chang-ho. His father's contributions to the Korean independence movement influenced Ahn's involvement in politics, World War II, and support for the Korean community of Los Angeles. As an actor, Ahn was known for his roles in Lawnmower Man 2: Beyond Cyberspace (1996), Amityville: A New Generation (1993), and Panther (1995), as well as in the sitcom New Girl as the silent but wise character Tran.