T-22

T-22, T.22, T 22 or T22 can represent

* T-22 medium tank, see T20 Medium Tank
* Australia's de Havalland Sea Vampire T.22, see de Havilland Vampire
* Canada's de Havilland Mosquito T.22, see de Havilland Mosquito
* Ireland's de Havilland Canada Chipmunk T.22 trainer, see de Havilland Canada DHC-1 Chipmunk
* the Avro 652-based T 22 radio trainer, see Avro Anson
* Brazil's Fokker T.22 Instructor, see Fokker S-11
* T-22 Murata rifle
* T-22, a strain of Trichoderma harzianum
* T22 peptide or (Tyr5,12Lys7)-polyphemusin II
* PT-22 USAAF primary trainer, see Ryan ST
* AT-22 USAAF advanced trainer, see B-24 Liberator