Rex Lee is an American actor of Korean descent.

Before he became an actor, Rex Lee had various jobs including performing in the Imagination Company, as well as working as a casting assistant. He was the casting director for the TV movie The Cure for a Diseased Life. Lee has also played roles on a variety of TV shows, including Twins, What About Brian and Zoey 101.

Lee is best known for his role on the HBO original series Entourage as Lloyd Lee, the gay assistant to Ari Gold, the character played by Jeremy Piven. Lee's role eventually became an agent and interim head of TMA's television department. His role for the series began in the first episode of the show's second season, "The Boys Are Back in Town".

He also appeared on Fox's Hell's Kitchen during Season 11, in the ABC sitcom Suburgatory, playing Mr. Wolfe and as one of the judges at Nationals in Glee Season 3.

Rex Lee was born on January 7, 1969 in Warren, Ohio. His parents emigrated from Korea to the United States.He graduated from the Oberlin Conservatory of Music.