St. Jacobs Farmers' Market is a farmers' market and flea market in Woolwich, Ontario, Canada. It is located to the south of King Street North, to the east of Weber Street North, and to the west of the railway tracks. It is the largest year-round farmer's market in Canada, and is a popular destination for residents of the town and nearby communities, as well as tourists from Canada, the United States, and Europe. It draws about 1 million visitors annually.