SCX may refer to: SCXA and SCXB, genes encoding the transcription factor Scleraxis Elan SCX, a model of alpine ski L. S. Starrett Company, NYSE ticker symbol Salina Cruz Airport, IATA code Scott Municipal Airport, FAA LID code Strong Cation Exchange chromatography, a type of reversed-phase chromatography Sun Country Airlines, ICAO code Oldsmobile Achieva#SCX automobile