HY or Hy may refer to: Hy, a Lisp dialect for Python HY (band), a Japanese band Hy (island), a pre-Christian and early Christian name for the Scottish island Iona Hy (name), a given name, nickname, or surname HY (satellite), a series of Chinese marine remote sensing satellites Other uses hy, the ISO 639-1 language code for the Armenian language HY, the IATA code for Uzbekistan Airways, the national airline of Uzbekistan H-Y antigen, a male tissue specific antigen HY Velorum, a binary star system HY-80, a type of alloy steel HY-124798, a chemistry compound Hy-V, a flight experiment research project HY1935 bayonet, a Chinese infantry weapon See also HI (disambiguation) High (disambiguation)