H26

H26 may refer to:
 * Hanriot H.26, a French prototype fighter aircraft
 * Herreshoff H-26, an American sailboat design
 * HMS H26, a 1918 British Royal Navy H class submarine
 * Other cataract ICD-10 code
 * H-26, in US helicopter designations was the American Helicopter XH-26 Jet Jeep