SM
- sm — (s) Samoan language (ISO 639-1 code)
- Sm — (s) Samarium
- SM
- (i) Sado-Masochism
- (s) San Marino (ISO 3166 and FIPS 10-4 country code digram)
- (i) Soldier's Manual
- (s) Submarine Minelayer (US Navy hull classification)
- SMA — (i) Scan Mirror Assembly
- SMART — (a) Subject Matter And Requirements Team
- SMASS — (a) Small Main-Belt Asteroid Spectroscopic Survey
- SMCT — (i) Soldier's Manual of Common Tasks
- SMD — (i) Surface Mount Device
- SMDR — (i) Station Message Detail Recording
- sme — (s) Northern Sami language (ISO 639-2 code)
- SME
- (i) Scan Mirror Electronics
- Subject Matter Expert
- SMG
- (i) Sequential Motorsport Gearbox
- SubMachine Gun
- SMH — (a) Shaking My Head
- SMil — (a) Sadomasochisterne i landet (Danish SM organisation)
- SMIL — (a) Synchronized Multimedia Integration Language
- smo — (s) Samoan language (ISO 639-2 code)
- SMP — (i) Standard Military Pattern
- SM&R — (i) Source, Maintenance, and Recoverability
- SMR — (s) San Marino (ISO 3166 trigram)
- SMS — many, including: Short message service; see entry
- SMTP — (i) Simple Mail Transfer Protocol
- SMU — (i) Southern Methodist University
- SMX
- many, including: (i) Server Macro Expansion
- (p) Solaris MINIX
- (p) Spatial multiplexing
- (p) Sulfamethoxazole; see entry
- SMZ
- many, including: (i) Silver Mt. Zion
- (p) Sulfamethazine
- (p) Sulfamethoxazole; see entry
Read more about this topic: List Of Acronyms And Initialisms: S