DTMF
| Acronym | Definition |
|---|---|
| DTMF | Dual Tone Multi-Frequency (telephony) |
| DTMF | Dual Tone Modulation Frequency |
| DTMF | Desktop Management Task Force |
| DTMF | Data Tone Multiple Frequency |
| DTMF | Dual Tone Multi-Function (telecommunications) |
| DTMF | Defend Traditional Marriage and Family |
| DTMF | Deilmann Tailings Management Facility (Key Lake Uranium Mine; Cameco Corporation; Canada) |