Megan Anissa Leslie (born September 29, 1973) is a Canadian politician and environmental advocate.
She is the president and CEO of World Wildlife Fund Canada and on the advisory board of the Leaders' Debates Commission.She was previously the federal Member of Parliament for the electoral district of Halifax from the 2008 Canadian federal election until her defeat in 2015.
She is a member of the New Democratic Party and served as the party's critic for the environment.
In 2012, Leslie was named as one of the deputy leaders of the Official Opposition – one of the youngest MPs ever to be selected for the post.