The Kitchener-Waterloo Siskins are a junior ice hockey team based in Waterloo, Ontario, Canada. They play in the Mid-Western division of the Greater Ontario Junior Hockey League.

Waterloo is a city in the Canadian province of Ontario. It is one of three cities in the Regional Municipality of Waterloo. Waterloo is situated about 94 km (58 mi) west-southwest of Toronto, but it is not considered to be part of the Greater Toronto Area (GTA). Due to the close proximity of the city of Kitchener to Waterloo, the two together are often referred to as "Kitchener–Waterloo", "K-W", or "The Twin Cities".