Canadian Baseball League
| Upcoming season or competition: 2026 CBL season | |
| Formerly | Intercounty Baseball League (1919–2025) |
|---|---|
| Classification | Independent |
| Sport | Baseball |
| Founded | 1919 |
| Commissioner | Ted Kalnins |
| No. of teams | 9 |
| Country | Canada |
| Confederation | WBSC Americas |
| Most recent champion | Welland Jackfish (2nd) |
| Most titles | Stratford Nationals (16) |
| Broadcasters | |
| Official website | cbl |
The Canadian Baseball League (CBL) is a professional independent baseball league based in the Canadian province of Ontario. It is composed of nine teams, who annually play a home-and-away season from May to August. The top five teams at the end of the season qualify for a postseason tournament in September that determines the league's champion, who are awarded the Dominico Cup.
The league was founded in 1919 as the Intercounty Baseball League (IBL), and was a semi-professional league for the majority of its existence. It was fully-professionalized and rebranded to the CBL ahead of its 2026 season. More than 23 franchises have competed in the league in its 107-year history, with the Guelph Royals and Kitchener Panthers – both charter members – being the longest-tenured. As of its 2025 season, the Welland Jackfish are the current champions, while the Stratford Nationals, a defunct franchise, have won the most championships (16).