The Montreal Heart Institute (MHI) (French: Institut de Cardiologie de Montréal), in Montreal, Quebec, is a specialty hospital dedicated to the development of cardiology, which is affiliated with the Université de Montréal.

The MHI is founded in 1954 by Paul David, and along with the Ottawa Heart Institute is considered one of the largest cardiology institutes in the world, which is the first educational hospital on cardiovascular diseases in Canada, and is ranked as one of the largest preventive medicine centres in Quebec.

[2] Prominent Montreal businessman J. Louis Levesque was a major benefactor whose initial $1 million donation in 1969 doubled the research department's budget.

Levesque supported the Institute for more than a quarter of a century, donating more than $10 million.

This Canadian hospital–related article is a stub.