Welcome to the OASA Website.
The Ontario Amateur Softball Association has a rich heritage in promoting and fostering male fastball since its formation in 1923. It is a member association of Softball Ontario.
Attention teams and players intending to register for the OASA in 2026.
Teams can affiliate now by sending in the affiliation form and payment. Information here: https://oasa.ca/affiliation-registration-form/
Note that registering and rostering on the Member Registration System (MRS) is not available until February 4.
The OASA 103rd Annual Meeting will be held February 21, 2026 in Cambridge. For more information, please visit our AGM page.
Tournament Results
