Cathy Crowe, CM (born 1952) is a Canadian "street nurse", educator, author, social justice activist and filmmaker, specializing in advocacy for the homeless in Canada.

[1] In 1985, she received a Bachelor of Applied Arts in nursing from Ryerson Polytechnical Institute (now Toronto Metropolitan University).

Crowe became known as a "street nurse", a term coined in the early 1990s by a homeless man in the impoverished downtown Toronto area where she worked.

In 1998, along with other social justice activists and academics, she co-founded the Toronto Disaster Relief Committee (TDRC).

[3] In January 2010, Crowe entered electoral politics by offering to run for the Ontario New Democratic Party (ONDP) as their candidate in the February 4 by-election in the riding of Toronto Centre.

For many years she worked closely with former Toronto City Councillor and leader of the federal NDP Jack Layton.