Manchester, Blackley was a borough constituency represented in the House of Commons of the Parliament of the United Kingdom which existed from 1918 to 2010. It elected one Member of Parliament (MP) by the first past the post system of election. In boundary changes for the 2010 general election it was replaced by Blackley and Broughton.

Blackley is an area of Manchester, England. Historically in Lancashire, it is approximately 5 miles (8.0 km) north of Manchester city centre, on the River Irk.