The Spectrum Beaver is a family of single- and two-place, pusher configuration, high-wing ultralight aircraft that were designed by Larry Croome and first introduced by Spectrum Aircraft of Surrey, British Columbia, Canada, in 1983.

Spectrum Aircraft was a Canadian ultralight aircraft manufacturer that commenced operations in 1983 and went out of business in 1992. The company was known for its Beaver ultralight design, which remains in production by successor companies in the 21st century.