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What does OI stand for?

OI stands for Optimist International (St. Louis, MO)

This definition appears frequently and is found in the following Acronym Finder categories:

  • Organizations, NGOs, schools, universities, etc.

See other definitions of OI

Other Resources:
We have 18 other meanings of OI in our Acronym Attic

Samples in periodicals archive:

Pravnovia finished in the top three in four tournaments last year, including a victory in a field of 118 at the Optimist International Junior Championships in July.
He was an active member of Optimist International for over 25 years and held every office available finishing as International Vice President of Optimist International.
Ashwood has been appointed governor for the Arkansas District of Optimist International for 1999-2000.