- DTI stands for Department of Trade and Industry
- DTI stands for Diffusion Tensor Imaging
- DTI stands for Debt to Income (ratio)
- DTI stands for Duty to Inform (law enforcement)
- DTI stands for Digital Technology International (news publishing; various locations)
- DTI stands for Dream Train Internet (Japan)
- DTI stands for Danish Technological Institute
- DTI stands for Defense Technology International (news)
- DTI stands for Direct Trader Input
- DTI stands for Diversified Technology, Inc.
- DTI stands for Direction de la Technique et de l’Innovation (French: Directorate of Technical and Innovation)
- DTI stands for Diagnostics Techniques Immobiliers (French: Real Estate Diagnostic Techniques)
- DTI stands for Distance through Insulation
- DTI stands for Dulbecco Telethon Institute (est. 1999)
- DTI stands for Direct Thrombin Inhibitor
- DTI stands for Distance to Intercept (US Air Force)
- DTI stands for Dreaming the Impossible (UK)
- DTI stands for Deep Tissue Injury
- DTI stands for Data Translation, Inc. (Marlboro, MA)
- DTI stands for Digital Trunk Interface
- DTI stands for Dial Test Indicator (mechanical measuring device used in machining)
- DTI stands for Data Transmission Interface
- DTI stands for Direction des Transmissions et de l’Informatique (French: Directorate of Communications and Information)
- DTI stands for Direct Tension Indicator (Applied Bolting Technology Products, Inc.)
- DTI stands for Directive Technology Integrators (Oneonta, New York)
- DTI stands for DuPont Textiles & Interiors
- DTI stands for Discrete Trial Instruction
- DTI stands for Detroit, Toledo, & Ironton (Railroad)
- DTI stands for Directed Technologies, Inc.
- DTI stands for Digital Technologies, Inc.