MXB

MXB or mxb can refer to:


 * Andi Jemma Airport, an airport near Masamba, South Sulawesi province, Indonesia, by ICAO code
 * Silacayoapan Mixtec, a language native to central Mexico, by ISO 639 code
 * Malir railway station, a train station in Karachi, Pakistan, by train station code
 * Mex Blue, an airline from Mexico; see List of airline codes