RM2 or variant, may refer to:

RM2, the postcode for a part of Romford, see RM postcode area Valmet RM 2, a class of two-bogie four-axle tram Mendoza RM2, a light machine gun from Mexico RocketMotorTwo (RM2), a Tier-1b rocket engine for SpaceShipTwo RM2, a cancelled space station Russian Research Module RM2, a type of railcar in the NZR RM class

See also RM (disambiguation) RMII