Model B may refer to:
Aircraft Chu Hummingbird Model B, an experimental helicopter Funk Model B, a 1930s two-seat cabin monoplane Gee Bee Model B, a sports aircraft Wright Model B, an early pusher airplane
Land vehicles Allis-Chalmers Model B, a tractor Buick Model B, a car Cadillac Model B, a car Ford Model B (1904), a car Ford Model B (1932), a car Mack B series, a heavy truck Lambretta Model B, a motor scooter
Other uses Electro-Spanish Model B, a guitar
See also Class B (disambiguation) Type B (disambiguation)