Capital Ward or Ward 17 (French: Quartier Capitale) is a city ward located in the centre of Ottawa, Ontario. Situated just south of downtown Ottawa, the ward includes the communities of Old Ottawa East, Old Ottawa South, the Glebe, Heron Park, Carleton University, and Riverside

Out of all the wards currently in existence, Capital ward has existed the longest. It was originally created in 1909 from parts of Wellington Ward and Central Ward when the Glebe was settled. The original capital ward consisted solely of the Glebe. It eventually annexed Old Ottawa South before assuming its current borders.

Its first aldermen were John Carnochan and J. W. Nelson.^[2]