Bay Ward or Ward 7 (French: Quartier Baie) is a municipal ward in Ottawa, Canada. It covers much of the western portion of the old city of Ottawa as well as some portions of what was once Nepean. The ward runs from Sherbourne and Maitland in the east to March Road in the west. The southern border is the Queensway while the northern border is the Ottawa River. The ward makes up the northern portion of the federal and provincial riding of Ottawa West-Nepean.