| Acronym | Definition |
|---|
| UTD | United |
| UTD | University of Texas at Dallas |
| UTD | Up to Date |
| UTD | Ut Dictum (Latin: As I Said) |
| UTD | Ultimate Test Drive |
| UTD | Urinary Tract Dilation (pregnancy) |
| UTD | Up the Duff |
| UTD | United Teachers of Dade |
| UTD | Unable to Determine |
| UTD | Uniform Theory of Diffraction |
| UTD | Uniform Geometrical Theory of Diffraction (also seen as UGTD) |
| UTD | Urban Thermo Dynamics (hip hop) |
| UTD | Unit Training Device |
| UTD | University Theatre and Dance (Missouri State University) |
| UTD | University Teaching Department (India) |
| UTD | Up the Downstair (Porcupine Tree music album) |
| UTD | Up the Deise (website) |
| UTD | Universal Transfer Device |
| UTD | Under Trust Dated |
| UTD | Union Textile Distribution (France) |
| UTD | Unit Test Driver |
| UTD | Underdetermination of Theory by Data (philosophy thesis) |