| Acronym | Definition |
|---|
| TAM | Tamil |
| TAM | Tivoli Access Manager (IBM) |
| TAM | Technical Account Manager |
| TAM | The Amaz!ng Meeting (James Randi Educational Foundation) |
| TAM | Technology Acceptance Model |
| TAM | Technical Advice Memorandum (IRS) |
| TAM | Telephone Answering Machine |
| TAM | Total Available Market |
| TAM | Transportation Authority of Marin (San Rafael, CA) |
| TAM | Thanks A Million |
| TAM | Television Audience Measurement |
| TAM | Transports de l'Agglomération de Montpellier (French) |
| TAM | Tacoma Art Museum (Tacoma, WA) |
| TAM | Test Access Mechanism |
| TAM | Turnaround Management |
| TAM | Tampico, Tamaulipas, Mexico (Airport Code) |
| TAM | Total Addressable Market |
| TAM | Time and Materials |
| TAM | Transporte Aéreo Militar (Military Air Transport, Guatemala) |
| TAM | Twelve Angry Men (movie) |
| TAM | Twentieth Anniversary Mac |
| TAM | Tense Aspect Mood (linguistics) |
| TAM | Te Amo Muito |
| TAM | Tanque Argentino Mediano (Argentine Medium Tank) |
| TAM | Tumor-Associated Macrophage |
| TAM | Telecommunications Association of Michigan |
| TAM | Transportation Acquisition Manual |
| TAM | Three-Axis Magnetometer |
| TAM | That Amuses Me |
| TAM | Training Assessment Model |
| TAM | Telephone Association of Maine |
| TAM | Technical Area Manager |
| TAM | Test Access Matrix (testing server on an ADSL network) |
| TAM | Tenner-A-Month (UK internet dial-up account fee) |
| TAM | Trace Assertion Method |
| TAM | Thalassaemia Association of Malaysia |
| TAM | Tamil Monolingual (font) |
| TAM | Transportation Aircraft Maintenance |
| TAM | Think-Aloud Method |
| TAM | Total Absence Management (employee work absence) |
| TAM | Training Assessment Module (US Army) |
| TAM | Total Annual Market |
| TAM | Thyroid Awareness Month (January) |
| TAM | Taxi Aéro Marilia (Brazilian Air Line) |
| TAM | Trade Assessment Mechanism (EU) |
| TAM | Technology Area Manager |
| TAM | Transport Alpes Maritimes |
| TAM | Tertiary Assessment and Moderation (New Zealand) |
| TAM | Tactical Aerodynamic Missile |
| TAM | Theater Analysis Model |
| TAM | Tire Assembly Machine |
| TAM | Table Assignment Matrix |
| TAM | Tropical Asian Monsoon Region |
| TAM | Telecommunications Applications Map |
| TAM | Telecommunications Association of Maryland |
| TAM | Target Area Model |
| TAM | Task Area Manager |
| TAM | TotalNet Administration and Management Server (Fujitsu) |
| TAM | Table Authorized Material |
| TAM | Teresian Apostolic Movement |
| TAM | Transportes Aéreos Marília SA (Brazilian Airline) |
| TAM | Task Assignment Metric |
| TAM | Tactical Airlift Model |
| TAM | Tokyo Automated Machinery |
| TAM | Telenet Access Management system |
| TAM | Terminal Area Model |
| TAM | Tool Aerospace Material |
| TAM | Toxoid Antitoxin Mixture |
| TAM | Task Area Monitor |
| TAM | Teoplitz Approximation Method |
| TAM | TEMPEST Advisory Message |
| TAM | Test Acquisition Module |
| TAM | Target Architecture Module (US Army) |
| TAM | Task Assignment Memorandum |
| TAM | Task Authorization Memorandum |
| TAM | Target Activated Munition |
| TAM | Transmit Analog Maintenance (Nortel) |
| TAM | Treat As Made (UK) |
| TAM | Texton Aero Mexico (Chihuahua, Mexico) |
| TAM | Tax Authority Master |