- DTFI stands for Drug Training for Investigators (Multijurisdictional Counterdrug Task Force Training)
- DTFI stands for Direct Thin Film Imaging
- DTFI stands for Director of Total Force Integration
- DTFI stands for Directorate of Total Force Integration
- DTFI stands for Design Technology for the Fashion Industry
- DTFI stands for Dynamic Traction Force Integrator
- DTFI stands for Digital Transmission Facility Interface (Bellcore)
- DTFI stands for Diffusion Tensor and Functional Imaging (UK)
- DTFI stands for Drug Task Force Investigation
DTFI