Vari-Prop, founded in 2004 by , was an American manufacturer of composite propellers for homebuilt and light-sport aircraft. The company headquarters was originally located in Cottonwood, California and later in Beaverton, Oregon. The company's line of propellers started development in 1988 and consisted of variable-pitch, ground-adjustable and constant-speed propellers. By 2016 the company's website was for sale and the company business seems to have been wound up.