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.
We are pleased to announce the members of Team Ontario for Men’s Fastpitch Softball at the 2025 Canada Games.
Springboard Clinic May 4 in Alvinston
The 101st OASA Annual General Meeting was held on February 10, 2024 in Oakville. To learn more about the AGM, click here The contact information for our 2024 officers and elected executive and appointments is available here.
February 21, 2024: Our registration system is now up and running for the 2024 season. Please visit our Membership Registration System page for more information.