OIT may refer to:

Science and technology Computing Operator Interface Terminal, in industrial design (see user interface) Order-independent transparency, in computer graphics Medicine Oral immunotherapy, oral feeding of allergen to raise allergic threshold Other uses in science and technology Out of India Theory, the idea that the Aryans are indigenous to the Indian subcontinent Oxidative-induction time, a standardized test which measures the level of thermal stabilization

Places Oita Airport, Kunisaki, Oita Prefecture, Japan (by IATA airport code)

Education Osaka Institute of Technology, Osaka, Japan Oregon Institute of Technology, Oregon, United States Oriental Institute of Technology, a university in New Taipei, Taiwan