| Term | Full Form | Category |
|---|---|---|
| TTNF | Texas Tropics Nature Festival | Others |
| TTNF | The Teaching Network Foundation | Others |
| TTNF | Thursdays the new Friday | Others |
| TTNF | Till The Near Future | Others |
| TTNF | Time To Next Failure | Others |
| TTNF | To the Nations Fellowship | Others |
| TTNF | Tripartite Trade Negotiation Forum | Others |
| TTNF | Tripartite Trade Negotiations Forum | Others |
| TTNF | Tunable Top Notch Filter | Others |