Transmash may refer to:
Engineering companies: Transmashholding, a group of Russian engineering firms specialising in locomotive and rolling stock building, and diesel engine manufacture Omsktransmash, A heavy engineering company based in Omsk JSC Transmash, a Russian rolling stock company based in the Saratov Oblast Transmash, Tikhvin, mechanical engineering plant in Tikhvin; former Centrolit and Kirov works subsidiary plants Sport: FC Transmash Mogilev, a former Belarusian football club based in Mahilyov Transmash Stadium, a multi-use stadium in Mogilev, Belarus