Walter Scott Painter (15 February 1877 – 22 February 1957) was an American architect who is chiefly noted for his work with the Canadian Pacific Railway as its chief architect.

Painter's most significant works include the redesigned Banff Springs Hotel, the Cave and Basin Hot Springs bathhouse in Banff, Alberta and a series of railroad stations and hotels for the Canadian Pacific.

In later life Painter worked with school designs in Chile, and promoted a system of prefabricated concrete houses.

[2] A partnership with Canadian architect Francis S. Swales lasted two years, from 1911-1912.

[1][3] This article about a United States architect or architectural firm is a stub.