Last Updated on October 20, 2026
If you are interested in joining an adult softball league, here is a list of league organizers in Ottawa.
Blackburn Ladies Softball League
Website: https://www.blackburnladiessoftball.ca/
“For over 50 years, the Blackburn Ladies Softball League has provided many women with great memories of playing a game they love, softball. Our goal as a recreational league is to have fun, create everlasting memories, and improve our softball skills.
We are an orthodox-pitch league, and we always welcome new ladies to come and register with us. The pre-requisites are that you are over 18, and want to join a league whose primary goal is to have fun…
…Our regular season runs from the beginning May through to the end of September, at the Blackburn Arena Softball Diamond, located at 200 Glen Park Drive, in Blackburn Hamlet, Ottawa.”
Ottawa Slo-Pitch League
Website: https://www.slopitch.com/
“We are an organization created to serve the Ottawa Slo-Pitch Community. For over 30 years our focus has been on providing high quality programs catered towards all players. SLOPITCH.com aims to continuously offer access to top-notch services, resources and suppliers, to communicate the most up-to-date Slo-Pitch information and to provide a platform where members can play in a safe, well organized environment.”
OttawaSoftball Leagues
Website: https://www.ottawasoftball.ca/
“OttawaSoftball began as the Parkwood Hills Softball Association 64 years ago! A humble beginning as a community based organization we have grown to over 200 teams. OttawaSoftball is now the umbrella organization for Parkwood Hills Softball, Kanata Mixed League Ball, and the OttawaSoftball Womens league. OttawaSoftball offers Coed, Men’s and Women’s divisions for beginners, competitive teams, and everyone between. OttawaSoftball is an organization run by players, for players with a dedication to growing the sport in the National Capital region.”
Ottawa Mixed Softball League
Website: https://www.ottawamixedsoftball.ca/
“Since its inauguration, the OMSL has developed into an 8 team league where approximately 100 people come together to play ball and socialize.
The OMSL is a self-regulating league which provides its own umpires, keeps track of scores, and awards yearly trophies for both season and tournament play. But, most of all, the OMSL promotes an environment where sportsmanship is valued higher than winning.”
Ottawa Christian Softball League
Website: http://ottawachristiansoftball.ca/
“The Ottawa Christian Softball League (OCSL) has been in existence for over two decades. Previously known as the Nepean Christian Adult Mixed Softball League (NCAMSL), the OCSL provides an opportunity for men and women of churches in the Ottawa area to come together for fellowship and recreation through the sport of softball. Teams must field a mixed gender line-up and all participants are required to be adults.”
Ottawa Sport & Social Club – Softball Leagues
Website: https://ottawa.sportandsocialclub.ca/softball/
“OSSC softball is built for players who want organized games in a fun, social environment. Whether you are joining solo, with friends, or as a full team, it is a great way to stay active and meet people.
Expect friendly competition, team spirit, great plays, and a welcoming league experience from first pitch to the final out.”
RA Centre – Slo-Pitch Softball Leagues
Website: https://www.racentre.com/softball.html
The RA Centre offers coed slo-pitch softball leagues with certified umpires. Leagues run in the summer and fall seasons.
Let us know in the comments if there are any other softball leagues that should be added to the list.