| TIA | Tactical Intelligance Agency 
| Others |
| TIA | Tal Information Awareness
| Others |
| TIA | Taliban In America
| Others |
| TIA | Taxi Industry Association
| Others |
| TIA | Teach Initiate Advocate
| Others |
| TIA | Teacher Incentive Allotment
| Others |
| TIA | Teachers In Architecture
| Others |
| TIA | Technology Industry Association
| Others |
| TIA | Technology Investment Assessment
| Others |
| TIA | Tecnicos Investigacion Aeroterraquea
| Others |
| TIA | Teens In Action
| Others |
| TIA | Telecommunication Industry Association
| Others |
| TIA | Telecommunications Industries Association
| Others |
| TIA | Telecommunications Industry Association
| Others |
| TIA | Telematic Internetworking Application
| Others |
| TIA | Telephone Information Access
| Others |
| TIA | Television Interface Adapter
| Others |
| TIA | Television Interface Adaptor
| Others |
| TIA | Temporary Injury Allowance
| Others |
| TIA | Temporary Injury Allowance.
| Others |
| TIA | Tennis Industry Association
| Others |
| TIA | Terminal Interface Adaptor
| Others |
| TIA | Terrorism Information Awareness
| Others |
| TIA | Texas International Airlines
| Others |
| TIA | Thai Invention Association
| Others |
| TIA | Thanks In Advance
| Others |
| TIA | The Independent Army
| Others |
| TIA | The Infamous Airport
| Others |
| TIA | The Insurance Application
| Others |
| TIA | The Interfaith Alliance
| Others |
| TIA | The International Assassin
| Others |
| TIA | The Internet Adapter
| Others |
| TIA | The Internet Archive
| Others |
| TIA | The Internetwork Alternative
| Others |
| TIA | This is Africa
| Slang |
| TIA | This is Andela
| Slang |
| TIA | This is Awkward
| Others |
| TIA | Thornaby Independent Association
| Others |
| TIA | Threat Intelligence and Analytics
| Others |
| TIA | Thrombosis-Inducing Activity
| Others |
| TIA | Tirana International Airport
| Others |
| TIA | Tirana, Albania
| Others |
| TIA | Tire Industry Association
| Others |
| TIA | Today I Am
| Others |
| TIA | Together In Action
| Others |
| TIA | Tohoku Internet Association
| Others |
| TIA | Toner Image Applicator
| Others |
| TIA | Tortilla Industry Association
| Others |
| TIA | Tortilla Industry Association's
| Others |
| TIA | Total Information Awareness
| Others |
| TIA | Total Intestinal Aganglionosis
| Others |
| TIA | Totally Idiotic American
| Others |
| TIA | Totally Integrated Automation
| Others |
| TIA | Toy Industry Association
| Others |
| TIA | Toys In the Attic
| Others |
| TIA | Trabecular Iris Angle
| Others |
| TIA | Traffic Impact Analysis
| Others |
| TIA | Traffic Impact Assessment
| Others |
| TIA | Trailer Innovation Award
| Others |
| TIA | Traitement Integral Armand
| Others |
| TIA | Trans Impedance Amplifier
| Others |
| TIA | Trans International Airlines
| Others |
| TIA | Trans Ischmic Attack
| Others |
| TIA | Transient Ischaemic Attack
| Others |
| TIA | Transient Ischaemic Attackor
| Others |
| TIA | Transient Ischaemic Attacks
| Others |
| TIA | Transient Ischemaic Attack
| Others |
| TIA | Transient Ischemic Attack
| Others |
| TIA | Transient Ischemic Attacks
| Others |
| TIA | Transimpedance Amplifier
| Others |
| TIA | Transparency in Armaments
| Others |
| TIA | Transport Integration Act
| Others |
| TIA | Transportation In America
| Others |
| TIA | Transportation Intermediaries Association
| Others |
| TIA | Travel Industry Association of America
| Others |
| TIA | Troll Identification Algorithm
| Others |
| TIA | Trotsky Internet Archive
| Others |
| TIA | Trouble In Arteries
| Others |
| TIA | Truck Innovation Award
| Others |
| TIA | Trust Indenture Act of 1939
| Others |
| TIA | Trypsin Inhibitor Activity
| Others |
| TIA | Tucson International Airport
| Others |
| TIA | Tumour-Induced Angiogenesis
| Others |