OIT
OIT is an abbreviation for:
- Octylisothiazolinone , chemical compound
- Ōita Airport , Japanese Airport IATA code
- Osaka Institute of Technology, Osaka Technical University
- Oregon Institute of Technology , Klamath Falls Technical College, Oregon
- Organization Internationale du travail , United Nations International Labor Organization
- Organismic Integration Theory, see self-determination theory # mini-theories
- Out-of-India theory , cultural studies theory
- Oxidation Induction Time
