Sm-1

SM-1 can refer to:

* SM-1, a nuclear reactor
* A postal district, SM postal area, in the Greater London area
* A surface-to-air missile, RIM-66 Standard (SM-1MR) or RIM-67 Standard (SM-1ER)
* Spider-Man 1, also known as just Spider-Man, the first film in the Spider-Man film series