DTI may refer to:

Science and technology

  • Deep trench isolation; See Shallow trench isolation
  • Dial test indicator
  • Direct trader input, in the history of electronic data interchange
  • Diffusion tensor imaging, a structural magnetic resonance imaging technique
  • Direct thrombin inhibitor
  • Diesel turbo injection, a brand name for common rail
  • Direct tension indicator
  • Deep tissue injury, see suspected deep tissue injury in List of medical abbreviations: S<!--fails WP:DABACRO-->

Organizations

  • Defence Technology Institute, the Thai defence technology public organisation
  • Department of Trade and Industry (disambiguation), a government department in several countries
  • Detroit, Toledo and Ironton Railroad
  • Diversified Technology, Inc.
  • Directorate of Terrorist Identities, responsible for the Terrorist Identities Datamart Environment
  • Display Technologies, Inc., a joint venture of IBM and Toshiba
  • DT Infrastructure, Australian construction company

Other uses

  • Debt-to-income ratio, in mortgages
  • Dress to Impress (video game), on Roblox