SO
- so — (s) Somali language (ISO 639-1 code)
- SO
- (i) Shared Object (Unix)
- Sheriff's Office
- Significant other
- (s) Somalia (ISO 3166 and FIPS 10-4 country code digram)
- SOA
- (a) service-oriented architecture
- (a) Society of Actuaries
- (i) State of the art
- SOAP
- (a) Simple Object Access Protocol
- Supplemental Offer and Acceptance Program (U.S. medical residency matching)
- SOB
- (i) Son Of a Bitch
- Same Old Bullshit
- SOC — (a) Sector Operations Centre
- SOCCSKSARGEN — (p) South Cotabato, Cotabato, Sultan Kudarat, Sarangani, General Santos City (a region in the Philippines; pronounced “sock-sar-gen”)
- SOCOM — (p) (U.S.) Special Operations Command
- SOD
- (i/a) School Of Dentistry
- Statement Of Difference
- Statement Of Direction
- Statement Of Documentation
- Statement Of Duty/Duties
- SOE
- (i) Secret Of Evermore
- Special Operations Executive (WWII British organization)
- State Of Emissions (EW)
- SOF
- (a/i) Special Operations Force(s)
- Status of Forces
- SOFIA — (a) Stratospheric Observatory For Infrared Astronomy
- SOGAT
- (a) Society of Graphical and Allied Trades
- Former British printing union
- SOHC — (i) Single-OverHead-Cam engine
- SOHO — (p) Solar and Heliospheric Observatory
- SOI — (i) Signal Operating Instruction
- SOL — (i) Shit Out of Luck
- SOLIS — (i) Synoptic Optical Long-term Investigations of the Sun
- som — (s) Somali language (ISO 639-2 code)
- SOM
- (a) Simulation Object Model
- (s) Somalia (ISO 3166 trigram)
- Sonar — (p) SOund Navigation And Ranging
- SOP
- (i) Standing/Standard Operating Procedure
- State of Play
- SOR
- (i) State Of Readiness
- Statement Of Requirements
- SOS
- (s) Somali shilling (ISO 4217 currency code)
- Save Our Souls
- SOSTAR — (a) Stand-Off Surveillance and Target Acquisition Radar
- sot — (s) Sotho language (ISO 639-2 code)
- SOUTHAG — (p) Southern Army Group
- SOUTHCOM — (p) (U.S.) Southern Command
- SOV — (i) Single Occupant Vehicle
- SOW — (i) Statement Of Work
- SOWHAT — (p) RESNA Subcommittee on Wheelchairs and Transportation
- SOX — (p) Sarbanes–Oxley Act
Read more about this topic: List Of Acronyms And Initialisms: S