SMP may refer to:
- Scale Model Products, a plastic promotional model company during the 1950s, purchased by Aluminum Model Toys
- Securities Markets Program, a monetary policy tool allowing the European Central Bank to purchase distressed government bonds of the European periphery (Greece, Portugal, Ireland, Spain, and Italy)
- Shanghai Municipal Police, the police force of the International Settlement in Shanghai up to 1943
- Shannonville Motorsport Park, a Canadian motorsport road course circuit
- Significant Market Power, a form of market power in economics, the ability of a firm to alter the market price of a good or service
- Single Member Plurality, a single-winner electoral voting system
- Sipah-e-Muhammad Pakistan, a Shi'a Muslim militant organization
- Stable Massive Particle, a particle in particle physics
- Structural Mechanical Piping, a group of related disciplines in construction engineering
- Suomen maaseudun puolue or Finnish Rural Party, a historical political party in Finland
- Saw Mill Parkway, parkway in New York State, USA
Read more about SMP: Technology, Popular Culture, Health and Education