YX
Yx or YX may refer to:
 Yx (digraph), in the Nambikwara language
 YX Energi, a Scandinavian fuel station chain
 Midwest Airlines (former IATA code: YX)
 Republic Airways (current IATA code: YX)
 Yahoo!Xtra, a defunct New Zealand web portal

See also 
 XY (disambiguation)