Stratford, city (1991 pop. 27,666), S Ont., Canada, on the Avon River, SW of Toronto, the seat of Perth co. It is a busy hub for the Canadian National Railroad and an industrial center, with plants manufacturing textiles, furniture, automobile parts, and rubber and leather products. Food products from the surrounding farm area are processed there. The city is the home of the noted Stratford Festival (started 1953).