WTI or wti may refer to: Organizations Western Transportation Institute, in the College of Engineering at Montana State University in Bozeman, MT, US Wildlife Trust of India, a conservation organisation based in New Delhi, India Witness to Innocence, to abolish the death penalty in the US World Trade Institute, University of Bern, Switzerland World Tribunal on Iraq, a people's court Other uses Berta language (ISO 639-3 code: wti), spoken in Sudan and Ethiopia Ward–Takahashi identity, in quantum field theory Waterloo station (Indiana) (Amtrak code: WTI), Indiana, US Weapons and Tactics Instructor, a training course supervised by the United States Marine Corps Training and Education Command West Texas Intermediate, a crude oil used as a pricing benchmark Winnersh Triangle railway station (National Rail code: WTI), Berkshire, England See also WT (disambiguation) WT1 (disambiguation) WTL (disambiguation)