MTB

MTB may refer to:

Science and medicine

 * Magnetotactic bacteria
 * Mediterranean tamarisk beetle
 * Multilobular tumour of bone, canine disease
 * Mycobacterium tuberculosis

Transport and vehicles

 * Matlock Bath railway station, England; National Rail station code MTB
 * Mississauga Truck and Bus Collision, a Canadian bus manufacturer
 * Motor torpedo boat
 * Mountain bike

Other uses

 * Magandang Tanghali Bayan, a variety show in the Philippines
 * M&T Bank of New York, NYSE symbol
 * My Therapy Buddy, a talking plush doll for adults