The 2019 Canadian Junior Open Squash Championships is the men's edition of the 2019 , which is a World Junior Squash Circuit Tier 3 event. The event took place at from December 6 to 10. from Mexico claimed his first Canadian Junior Open title after defeating the Canadian 3–0 in the Boys' Under 19 final. Gabriel Yun from Canada won his first Canadian Junior Open title defeating Shomari Wiltshire of Guyana in the Boys' Under 17 final.