IL-22 or IL 22 or IL22 may refer to:
Interleukin 22 Illinois's 22nd congressional district, an obsolete district in the USA Illinois Route 22, USA Ilyushin Il-22, a Russian jet bomber aircraft prototype flown in 1947 Ilyushin Il-22, the airborne command post version of the Russian turboprop airliner Ilyushin Il-18
See also