Brockton was an Ontario provincial electoral district in the old City of Toronto's west-end.

It was represented in the Legislative Assembly of Ontario from 1926 until 1934, when it was abolished and redistributed into the Parkdale and Dovercourt districts.

[2] It then went southwards along its eastern border on the western edge of Dufferin Street to Lake Ontario.

[2] It continued north on Sorauren to the south side of Dundas Street West, where it then ran east until the Canadian National Railway (C.N.R.)

It then went north along the tracks and connected with the northern boundary at the city limits, just south of Lavender Road.