RTM may refer to:
Organisations Réseau de transport métropolitain, legal name of Exo (public transit), transit operator in Greater Montreal Régie des Transports de Métropolitains, operator of the Marseille Metro RTM Restaurant Group Rotterdamse Tramweg Maatschappij, a former Dutch tram operator Royal Tyrone Militia, Irish militia regiment raised in 1793 for home defence and internal security during the French Revolutionary War
Media Radio Televisyen Malaysia Radio Thamesmead, London radio station, renamed Time 106.8 Radiodiffusion-Télévision du Mali Right This Minute, a US TV program (RTM), a former name of the Moroccan state-owned broadcaster now known as SNRT
Places Rotterdam The Hague Airport, by IATA code
Technology and Internet Release to manufacturing, of software Remember the Milk, calendar and reminder web service Restricted Transactional Memory, an Intel instruction set interface Robotics Technology Middleware Resin transfer molding, for making composite structures Read the manual, common texting initialism
Other Representative town meeting, in some US states Right to manage, of a UK leaseholder Robert Tappan Morris, (b, 1965), US computer scientist Reconsolidation of Traumatic Memories, a therapeutic method