| Acronym | Definition |
|---|
| TTCF➣Twin Towers Correctional Facility (Los Angeles, California) |
| TTCF➣Two-Time Correlation Function (engineering) |
| TTCF➣Truckee Tahoe Community Foundation (est. 1998; Truckee, CA) |
| TTCF➣Turn the Clock Forward |
| TTCF➣The Trusts Charitable Foundation (New Zealand) |
| TTCF➣Tarheel Triangle Cat Fanciers (North Carolina) |