Knox United Church is a designated municipal heritage building at 838 Spadina Crescent East, in the Central Business District, of Saskatoon, Saskatchewan, Canada.

[1] The congregation was established as part of the Saskatoon Presbyterian Field Mission in 1885 after the North-West Rebellion.

[2] Architects Brown and Vallance of Montreal designed the present-day church in the Collegiate Gothic style.

[3] The two-storey building is made of dark red brick walls, features stained-glass windows, and has seating 1,200.

[1] The acoustic qualities of the church have made it a regular venue for various social and cultural events, including chamber music performances.