| Acronym | Definition |
|---|
| TDY➣Temporary Duty (US military) |
| TDY➣Teledyne Technologies, Inc. (stock symbol) |
| TDY➣Temporary Duty Yonder (military slang) |
| TDY➣The Daily Yomiuri (Japan) |
| TDY➣Testis-Determining factor on Y |
| TDY➣Temporarily Divorced for a Year (servicemember slang) |
| TDY➣Tru Dat Yo |
| TDY➣Typically Developing Youth |