Joshua Cole Hamilton (born June 9, 1969) is an American actor.
Hamilton was born in New York City, the son of actors Sandra Kingsbuy and Dan Hamilton. His stepmother is actress Stephanie Braxton. His Broadway credits include Proof and The Coast of Utopia (2007, Lincoln Center).
Hamilton performed in The Cherry Orchard at the Brooklyn Academy of Music in January and February 2009, alongside Ethan Hawke, who was his co-star in the 1993 film Alive. In November 2010, it was announced that both Hamilton (who will play Tom) and Dane Cook (who will play Carter) would star in Neil Labute's Fat Pig. This marked Labute's Broadway directorial debut. In 2011 Hamilton starred as Torvald in Henrik Ibsen's A Doll's House at the Williamstown Theatre Festival. Hamilton has also performed on PRI's Selected Shorts, reading Neil Gaiman's story "The Thing About Cassandra".