Jason "JR" Reed (also known by the name of his signature character, Lee), is an American actor and musician, originally from Corvallis, Oregon. He is best known for his association with the comedy rock band Tenacious D.

Reed is best known for his character Lee from Tenacious D's HBO series in the episode The Fan and feature film Tenacious D in: The Pick of Destiny. Aside from his onscreen role as the band's biggest fan, he is also the band's lead roadie. The song Lee from Tenacious D's first album is about Reed's character.

Jason Reed also appears on stage during the Tenacious D tours. He plays the characters "Lee", "The Devil", "The Metal", "A Mushroom", "Spider-Man" and a Police car.