TEFC
| Acronym | Definition |
|---|---|
| TEFC | Totally Enclosed Fan-Cooled (industrial electric motor) |
| TEFC | Top End Folk Club (Australia) |
| TEFC | Trinity Evangelical Free Church (various locations) |
| TEFC | Telephone Employees Flying Club, Inc. (est. 1969; Long Island, NY) |
| TEFC | Tactical Echelon Fusion Center |