L22

L22 may refer to:

Ships

 * HMS L22, a submarine of the Royal Navy
 * HMS Aldenham (L22), a destroyer of the Royal Navy
 * HMS Folkestone (L22), a sloop of the Royal Navy
 * INS Kumbhir (L22), an amphibious warfare vessel of the Indian Navy
 * SOVIET SUBMARINE L-22
 * SPANISH SHIP Aragón

Other uses

 * 60S ribosomal protein L22
 * L22 carbine, a British carbine assault rifle
 * Mitochondrial ribosomal protein L22
 * Yucca Valley Airport, in San Bernardino County, California, United States
 * Zeppelin LZ 64, an airship of the Imperial German Navy