TO
- to – (s) Tongan language (ISO 639-1 code)
- T/O – (i) Theatre of Operations
- TO – (s) Togo (FIPS 10-4 country code) – Tonga (ISO 3166 digram)
- TOA – (i) Table Of Authorities – Total Obligation Authority (accounting)
- TOAD – (a) Temporary, Obsolete, Abandoned, or Derelict site (urbanism) – Towed Optical Assessment Device
- TOBS – (a) Time of OBServation
- TOC – (a/i) Table Of Contents – Tactical Operations Centre – (i) Temporo-Occipital transition Cortex – Top of Concrete
- To-do – (s) To-do-List
- TOG – (s) Togo (IOC and FIFA trigram, but not ISO 3166)
- TOGS – (a) Thermal Observation Gunnery Sight
- TOMS – (a) Total Ozone Mapping Spectrometer (satellite instrument)
- ton – (s) Tongan language (ISO 639-2 code)
- TON – (s) Tonga (ISO 3166 trigram)
- TOP – (s) Tongan pa'anga (ISO 4217 currency code)
- TOS – (a) Tape Operating System – Terms Of Service – Tramiel Operating System
- TOT – (i) Time On Target
- TOW – (a) Tube-launched, Optically tracked, Wire-guided (anti-tank missile)
Read more about this topic: List Of Acronyms And Initialisms: T