TF can refer to:* Tetrafusion, American Progressive Rock Band MG TF a sports car by MG Rover Task force French Southern Territories, Internet TLD Transcription factor Malmö Aviation, IATA airline designator Teaching fellow of teaching fellowship Team Fortress Telefrag Territorial Force Tissue factor, or tissue factor gene Transferrin, a blood plasma protein TinyFugue, a MUD client Transformation Transformers (fiction) Tunable filter for telecommunications Children of God, a… (More on Tf)