St. Andrew's Church is a historic Presbyterian church located at the corner of King Street West and Simcoe Street in the city's downtown core of Toronto, Ontario, Canada. It was designed by William George Storm in the Romanesque Revival style and completed in 1876.

The Presbyterian Church in Canada is a Presbyterian denomination, serving in Canada under this name since 1875. The United Church of Canada claimed the right to the name from 1925 to 1939. According to the Canada 2021 Census 301,400 Canadians identify themselves as Presbyterian, that is, 0.8 percent of the population.