What does OI stand for?
OI stands for Old Irish (dialect)
This definition appears very frequently and is found in the following Acronym Finder categories:
- Organizations, NGOs, schools, universities, etc.
See other definitions of OI
We have 18 other meanings of OI in our Acronym Attic
- Occupational Hazards
- Objeto Indirecto (Spanish grammar)
- Oceanology International (periodic conference and trade show)
- Ockenden International (UK registered charity)
- Off Invoice (promotion)
- Office Interface
- Office of Information
- Office of Intelligence (USCS)
- Office of Investigations
- OFISA Informatique (Lausanne, Switzerland)