HYX or HyX may refer to:

HYX, abbreviation for Hengyuanxiang Group, an official sponsor in 2022 Winter Olympics marketing HYX, musician in 2013 single TR0NCE by Alvin Risk HyX, biopharmaceutical platform by Nuvelo HYX Editions, publisher used by Timothée Chaillou HYX, revoked IATA code for Saginaw County H.W. Browne Airport

See also