Justin Anthony Hamilton (born April 1, 1990)[1] is a Croatian-American professional basketball coach and former player who is a video coordinator and player development coach for the Golden State Warriors of the National Basketball Association (NBA).

Hamilton played college basketball for the Iowa State Cyclones from 2008 to 2010 under Greg McDermott, and Louisiana State University during the 2011–12 season under Trent Johnson after being required to redshirt the 2010–11 season due to NCAA transfer requirements.

[2] In August 2012, Hamilton signed with KK Cibona and has expressed a desire to play for the Croatian national basketball team.

[14] On July 27, 2015, Hamilton signed a one-year deal with Valencia of the Liga ACB and the Eurocup.

[citation needed] On July 11, 2016, Hamilton signed a multi-year contract with the Brooklyn Nets.

[23] On August 31, 2024, Hamilton retired from professional basketball to join the Golden State Warriors as a video coordinator and player development coach.

Hamilton spent 1 year of his life in Croatia, attending the elementary school "Pantovčak" in Zagreb.