English abbreviations from tampc to tap
- TAMPC (Texas A & M Press Consortium)
- TAMPS (Tactical Aircraft Mission Planning System)
- TAMS ((astrophysics terminology) Terminal-Age Main Sequence, stars at the point in their lifetimes where they have finished burning hydrogen in their cores)
- TAMSS (Target Area Meteorological Sensor System)
- TAMU (Texas Agricultural and Mechanical University)
- TAMUG (Total Army Microcomputer Users Group)
- TAN (Tanzania (IOC and FIFA trigram, but not ISO 3166))
- TANCET (TamilNadu Common Entrance Test)
- TANF (Temporary Assistance for Needy Families)
- TANJ (There Ain't No Justice (used as expletive in the Ringworld novels))
- TANK (Training Athletes Neuro Kinetically)
- TANP (Terrain-Aware Network Planner)
- TANSTAAFL (There Ain't No Such Thing As A Free Lunch (coined by author Robert A. Heinlein in his The Moon Is a Harsh Mistress))
- TAO (Tactical Action Officer (Fights the ship under the supervision of the Captain))
- TAOC (Tactical Air Operations Center)
- TAOM (Tactical Air Operations Module)
- TAOR (Tactical Area of Responsibility)
- TAP (Transition Assistance Program)
- T-AP (Transport, Military Sealift Command manned)