Lisa Gretzky (born January 19, 1971) is a politician in Ontario, Canada.

She is a New Democratic Party member of the Legislative Assembly of Ontario, who was elected in 2014 and re-elected in 2018, 2022, and 2025.

[3] Gretzky ran in the 2014 provincial election as the New Democratic candidate in the riding of Windsor West.

She defeated Liberal incumbent Teresa Piruzza by 1,042 votes.

[6][7] As of September 7, 2024, she serves as the Official Opposition Critic for Mental Health and Addiction, and Poverty and Homelessness Reduction.