- DTFO stands for Denis Tallon Fibre Optique (French: Denis Tallon Optical Fiber)
- DTFO stands for Deep Temporal Fixation Only
- DTFO stands for Dedicated Toll-Free Origination
- DTFO stands for DBUF Transmit FIFO Overflow
- DTFO stands for Distributed Time & Frequency Oscillator
Abbreviations And Their Meaning