SMTU may refer to: Société montpelliéraine de transport urbain, the predecessor to Transports de l'agglomération de Montpellier, the public transport company in Montpellier, France , a predecessor of TUSSAM (), the company responsible for managing the service buses and trams urban city of Seville, Spain Singapore Malay Teachers' Union, a public sector union affiliated with the National Trades Union Congress