Allis

Allis may refer to:

People

 * Allis (surname)

Places

 * Allis Township, Michigan
 * North Allis Township, Michigan
 * West Allis, Wisconsin

Other

 * Allis-Chalmers, a former manufacturer of farm equipment based in Milwaukee, Wisconsin
 * Big Allis, a giant generator in Queens, New York, commissioned by Consolidated Edison and built by Allis-Chalmers in 1965
 * Allis-Chalmers Model B, popular tractor manufactured by Allis-Chalmers
 * Charles Allis Art Museum, in Milwaukee, Wisconsin
 * Allis shad, Alosa alosa, species of fish found in Europe and North Africa
 * Fiat Allis, manufacturer of construction equipment
 * Allis clamp, a vital surgical instrument used in many surgical procedures