The Ontario Baseball Association (OBA) is a governing body for amateur baseball in the province of Ontario, Canada. Established to promote and develop the sport, the OBA oversees various leagues and tournaments, ensuring that players of all ages and skill levels have opportunities to participate in baseball. The OBA also provides resources for coaches, umpires, and volunteers, fostering a supportive environment for the growth of baseball. Through its programs, the association aims to enhance the quality of play and encourage sportsmanship among participants, contributing to the overall development of the sport in the region.