| Acronym | Definition |
|---|
| TSFF➣Tritium Science and Fabrication Facility (Los Alamos National Laboratory) |
| TSFF➣Toronto Student Film Festival |
| TSFF➣Third Screen Film Festival |
| TSFF➣The Skateboard Film Festival (Seattle, WA) |
| TSFF➣Triangle Shirtwaist Factory Fire |
| TSFF➣Time-Specific Failure Frequency |
| TSFF➣Trout Stream Fly Fishing (instructional book) |