Model 15

Model 15 may refer to:
 * Boeing Model 15, a United States single-seat open-cockpit biplane fighter aircraft of the 1920s manufactured by the Boeing company
 * Consolidated Model 15, a variant of the O-17 Courier observation and training airplane used by the United States National Guard in the 1920s and 1930s
 * Ford Model 15-P, a flying wing aircraft developed by the Stout Metal Airplane Division of the Ford Motor Company in 1935
 * Iver Johnson Model 15-7, a motorcycle developed by the Iver Johnson company in 1915
 * MG 08/15, a German machine gun used extensively during World War I
 * Model 15 mine, a copy of the Soviet POMZ stake mounted anti-personnel fragmentation mine
 * Singer Improved Family, known as Model 15, a sewing machine produced by the Singer Manufacturing Company
 * Skoda 75 mm Model 15, a mountain gun used by Austria-Hungary in World War I
 * Smith & Wesson Model 15, an American revolver
 * Swanson Coupe Model W-15, a monoplane produced in 1931 by Swedish aircraft designer and manufacturer Swen Swanson
 * Teletype Model 15, a teleprinter made by the Teletype Corporation patented in 1930