| TIAA | Tal Immersion Assistance Avatar 
| Others |
| TIAA | Tal Inactive Aircraft Authorization
| Others |
| TIAA | Teacher Insurance and Annuity Association
| Others |
| TIAA | Teachers Insurance and Annuity Association
| Others |
| TIAA | Teachers Insurance Annuity Association
| Others |
| TIAA | Texas Independent Automotive Association
| Others |
| TIAA | This Is An Acronym
| Others |
| TIAA | Thunderbird Independ Alumni Association
| Others |
| TIAA | Thunderbird Independent Alumni Association
| Others |
| TIAA | Toolkit for Intrusion Alert Analysis
| Others |
| TIAA | Total Immersion Assistance Avatar
| Others |
| TIAA | Tourism Industry Association of America
| Others |