M Train or M-Train may refer to: M>Train, a former operator of half of Melbourne's suburban railway network and a former Melbourne tram service (2001–2004) M (New York City Subway service) MTR M-Train EMU or MTR Metro Cammell EMU, metro rolling stock of Hong Kong Train M, a former service of Helsinki commuter rail M Train (book), a 2015 book by Patti Smith The MTrain Tour, Meghan Trainor's second tour

See also M-Bahn, a former Berlin magnetic levitation train (1989–1991) M line (disambiguation) M (disambiguation)