The Cardus Institute is a Christian think tank based in Hamilton, Ontario.

It was founded in 1974 as the Work Research Foundation.

[1] Through a variety of research, publishing, and programmatic activities, the organization advocates for religion and the role of faith in Canadian society.

[2][3][4] Its research and policy work focuses on the institutions that lie between the individual and the state.

In 2010, the Centre for Cultural Renewal, another think tank, merged into Cardus.