| Acronym | Definition |
|---|
| TAP | Air Portugal (ICAO code) |
| TAP | Technology Adoption Program (various companies) |
| TAP | Tuition Assistance Program |
| TAP | Transition Assistance Program |
| TAP | Teacher Advancement Program |
| TAP | Training and Projects (various organizations) |
| TAP | Teach and Practice |
| TAP | Trans Adriatic Pipeline (natural gas; various locations) |
| TAP | Transport and Air Pollution (symposium) |
| TAP | Teacher Assistant Program |
| TAP | Technical Assistance Program |
| TAP | Test and Packaging |
| TAP | Transactions on Antennas and Propagation (IEEE) |
| TAP | Take Another Plane (online reviews) |
| TAP | Tourism and Parks (Canada) |
| TAP | Test Access Port |
| TAP | Technical Assistance and Partnerships (US NPS) |
| TAP | Troopship (US DoD) |
| TAP | The American Prospect |
| TAP | The Appraisal Process |
| TAP | Test Anything Protocol (computing) |
| TAP | Technical Assistance Project (various organizations) |
| TAP | The Army Plan |
| TAP | Technology Assessment and Planning (University of North Carolina) |
| TAP | The Associates Program (Capital Group Companies) |
| TAP | Task-Based Asynchronous Pattern (Microsoft) |
| TAP | Take A Pill |
| TAP | Taxpayer Advocacy Panel |
| TAP | Toxic Air Pollutant |
| TAP | Total Air Pressure |
| TAP | Training Action Plan (various agencies) |
| TAP | Total Antioxidant Power |
| TAP | Total Accounts Payable |
| TAP | Technology Assistance Program |
| TAP | Transit Access Pass (Los Angeles, CA) |
| TAP | Technology Alliance Program (various companies) |
| TAP | Terminal Access Controller |
| TAP | The Autodidact Project (self-education) |
| TAP | Traditional Arts Program (various organizations) |
| TAP | Test Acceptance Plan |
| TAP | Terminal Acquisition Project |
| TAP | Terminal Access Point |
| TAP | Telephonic Automated Produce |
| TAP | Test Access Path |
| TAP | Tunis Afrique Presse (French; Tunisian news agency) |
| TAP | Technical Assistance Provider |
| TAP | Telephone Application Processing |
| TAP | Technical Adoption Program |
| TAP | The American Psychoanalyst (journal) |
| TAP | The Atlantic Philanthropies (est. 1982) |
| TAP | Tandem Affinity Purification |
| TAP | Teaching Advanced Physics (various organizations) |
| TAP | Talent on Parade |
| TAP | The Automation Partnership |
| TAP | The Accounting Professionals |
| TAP | Technical Advisory Panel |
| TAP | Telocator Alphanumeric Protocol |
| TAP | Travel Agent Portal |
| TAP | The Ada Project |
| TAP | Tasa de Alumbrado Público (Spanish: Public Lighting Rate) |
| TAP | Telephone Assistance Plan (various locations) |
| TAP | Transportes Aéreos Portugueses (Air Portugal) |
| TAP | Transportation Action Plan (various locations) |
| TAP | Telecommunications Access Program |
| TAP | Teen Abstinence Program (various locations) |
| TAP | Traditional Academic Program (various schools) |
| TAP | Total Automotive Performance (various locations) |
| TAP | Toxicological Agent Protective |
| TAP | Terminal Area Productivity (aviation) |
| TAP | Trial Advocacy Program (various organizations) |
| TAP | Transboundary Air Pollution |
| TAP | The Agency Place (Hanover Insurance Group) |
| TAP | Teaching Assistant Project (Rutgers University; New Jersey) |
| TAP | Taxpayer Assets Project |
| TAP | The Anglican Planet (news journal) |
| TAP | Tag Acquisition Processor (radio frequency identification; Reva Systems) |
| TAP | Traditional Approval Process |
| TAP | Tuition Account Program (tuition pre-payment program) |
| TAP | Tumor Activated Prodrug |
| TAP | Technology Area Plan |
| TAP | Travel Assistance Program (Canada) |
| TAP | Teach Abroad Program (cultural exchange program) |
| TAP | Transferred Account Procedure (GSM) |
| TAP | Television Audio Processing |
| TAP | Tests of Achievement and Proficiency |
| TAP | The Absolute Peach (podcast) |
| TAP | Task Analysis Plan |
| TAP | Tax Advantage Plan (various companies) |
| TAP | Tight Ass Pants (preppy slang) |
| TAP | Terrorism Awareness and Prevention (Pennsylvania) |
| TAP | Transportadora Aérea Portuguesa (Portuguese flight operator) |
| TAP | Target Acquisition Platoon (US Army) |
| TAP | Toyo Automotive Parts (Franklin, KY) |
| TAP | Transfer-Appropriate Processing (memory processing) |
| TAP | Tau Alpha Pi (Engineering Technology honor society) |
| TAP | Telocator Alphanumeric Input Protocol |
| TAP | Technical Advisor Program (various organizations) |
| TAP | Technology Assurance Plan (CompUSA stores) |
| TAP | Temporary Agnosticism in Practice (Richard Dawkins work) |
| TAP | Talented Athlete Programme (various locations) |
| TAP | Theater Air Planning |
| TAP | Theater Air Planner |
| TAP | Tatsumi and Partners (landscape architecture firm; Irvine, CA) |
| TAP | Total Audience Plan |
| TAP | Test Article Preparation |
| TAP | Theta Alpha Phi (theatre honors fraternity) |
| TAP | Target Audience Profile (marketing) |
| TAP | Technology Adoption Panel (In-Stat) |
| TAP | Terrain Analysis Product |
| TAP | Training Allowance Pool |
| TAP | The Amazing Pudding (Pink Floyd fanzine) |
| TAP | Transesophageal Atrial Pacing |
| TAP | Tapachula, Chiapas, Mexico - Tapachula International (Airport Code) |
| TAP | Teacher Advisory Program |
| TAP | Transfer Advantage Program (various schools) |
| TAP | Three Apogee (orbit) |
| TAP | Takeda-Abbott Products (pharmaceuticals) |
| TAP | Test Access Path (DSC) |
| TAP | Technological American Party (later to become the Technological Assistance Program; was originally YIPL) |
| TAP | Trend Analysis Program (NAIC program) |
| TAP | Total Annualized Premium |
| TAP | Traffic Access Point |
| TAP | Travel Agency Proficiency (test) |
| TAP | Transversus Abdominis Plane (anatomical landmark for anaesthetic technique) |
| TAP | Technician Apprenticeship Program |
| TAP | To Approved Purchasers |
| TAP | Training Accreditation Program |
| TAP | Telecommunication Assistance Program |
| TAP | Task Action Plan |
| TAP | Temperature-Acceleration-Pressure Tool (well logging tools for scientific drilling and oil exploration) |
| TAP | Transmission Adaptive Pressure (General Motors) |
| TAP | Two-Step Approval Process |
| TAP | Thinking-Aloud Protocol |
| TAP | Triallyl Phosphate |
| TAP | Toshiba Access Panel (Toshiba) |
| TAP | Treatment Advocacy Program |
| TAP | The Aker Partners (Washington, DC) |
| TAP | Tachyon Access Point (Tachyon, Inc. satellite ISP) |
| TAP | Time-Sharing Assembly Program |
| TAP | Telecommunications Advocacy Project |
| TAP | Technology Advantage Program |
| TAP | Total Assets Protection (Sprint) |
| TAP | Tank Advisory Panel |
| TAP | Total Audience Package |
| TAP | The Association for Pool, Inc |
| TAP | Tarification À la Pathologie |
| TAP | Teaching Apparatus for Physics |
| TAP | Tariff Analysis Project |
| TAP | Technology Assistance Plan |
| TAP | T1 Access Partitioning (Sprint) |
| TAP | Technical Activity Proposal (NATO) |
| TAP | Technical Analysis Platform (Telcordia) |
| TAP | Test and Proofs |
| TAP | Task Assignment Plan |
| TAP | The Aerospace Players |
| TAP | Table-Driven Aborting Protocol |
| TAP | Text Access Point (PCIA) |
| TAP | TPED Assessment Process |
| TAP | Transition Aviation Project |
| TAP | Turun Asennuspaja (Finnish electric company) |
| TAP | Technology Application Plan |
| TAP | Timing and Acquisition Processor |
| TAP | Turkiye Aile Sagligi ve Planlamasi (Turkish Family Health and Planning Foundation) |
| TAP | Thermoacoustic Projector |
| TAP | Technology Assistance Professional |
| TAP | Telecomputing Applications Platform |
| TAP | Technical Architecture Plan |
| TAP | Target Advisory Panel |
| TAP | Tariff Assurance Plan (AT&T) |
| TAP | Transient Acoustic Processor |
| TAP | Trans Anadolu Ham Petrol Boru Hatti Projesi (Turkish: Trans-Anatolian Crude Oil Pipeline Project) |
| TAP | Target Assessing Panel |
| TAP | Tandem Application Portal |
| TAP | Transmitter Antenna Polarization |
| TAP | Targeted Acoustical Products (hybrid acoustic insulator; trademark of Cascade Engineering) |
| TAP | Tasking/Processing/Exploitation/Dissemination Assessment Process |
| TAP | Trident Assignment Program |
| TAP | Technical/Technology Assessment Phase |
| TAP | Test Architecture & Planning (Sprint) |
| TAP | Technology Assistance Person |
| TAP | Tactical Air Party |
| TAP | Theater Airfield Procedures (US Air Force) |
| TAP | Taxpayer Advocacy Program |
| TAP | Task Area Plan |
| TAP | Timed Athletic Performance |
| TAP | Technical Analysis/Analyst Position |
| TAP | Team Action Process |
| TAP | Technique Architectural Products, Inc. (Pittsburgh, PA) |