NGX or ngx can refer to:
Nigerian Exchange Group, a stock exchange in Nigeria Nggwahyi language, a threatened language spoken in Nigeria, by ISO 639-3 code Manang Airport, an airport in Manang, Nepal, by IATA code Neo Geo X, a brand of hybrid video game console Nueva Generation Xtrema, which Mexican wrestler Tigre Uno previously worked for Nigerian Global, an airline based in Nigeria, by ICAO code; see List of airline codes (N) National Gallery X, a British museum exhibit co-directed by Ali Hossaini