Canada
Optimist Club of Ajax, Optimist Club of Brooklin, Ontario, Optimist Club of Byron, Optimist Club of Puslinch, Optimist Club of Red Deer, Optimist Club, Zone 13, Southwest Kitchener Optimist Club, The Optimist Club of Brigden
United States
Maryland, South Carolina, Holts Summit Optimist Club, Illinois District of Optimist International, Optimist Club of Gilbert, Arizona, Optimist Club of Iowa City, Optimist Club of North Side Indianapolis, Optimist Club of Villa Rica, Georgia
Optimist International
Find out about membership, the foundation, events, local chapters, and news.
Optimist International Foundation
A 501(c)(3) nonprofit organization that provides significant funding for the charitable, literary and educational purposes of Optimist International, a community service based organization committed to creating a more optimistic future for young people through innovative programs.