Shin Koyamada (小山田 真, Koyamada Shin?, born March 10, 1982) is an American actor, producer, philanthropist, entrepreneur and martial artist.
Koyamada is well known for co-starring as “Nobutada” opposite Tom Cruise in the Warner Bros. action epic war film The Last Samurai, with a worldwide box office of $456 million as well as starring in the action-adventure Disney Channel Original Movie Wendy Wu: Homecoming Warrior. Koyamada has starred in the many other movies and television, including The Yokai King (2015), Heart of the Dragon (2014), Ai No Shizuku (2010), Good Soil, and Wine Road of the Samurai (2006). In 2005, Koyamada founded Shinca Entertainment, an American production company that has produced numerous entertainment related projects in the US.