- Source: SM1
SM1 can refer to:
SM-1, a nuclear reactor
SM1, a postcode district within the SM postcode area, in Sutton, Greater London
Signalman First Class, a former rating in the U.S. Navy
A surface-to-air missile, RIM-66 Standard (SM-1MR) or RIM-67 Standard (SM-1ER)
VR Class Sm1, a type of train operated by the VR Group
Spider-Man, the first film in the Spider-Man film series
Scary Movie, the first film in the Scary Movie series
Superman, the first Superman film
SM1, Secondary Math 1
SM1, an entry index for individual medley events in disability swimming, see S1 (classification)