Paul Ainslie (/ˈeɪnzli/ AYNZ-lee; born February 4, 1967) is a city councillor in Toronto, Ontario, Canada. In 2006, he was appointed as an interim councillor in ward 41, and was then elected as the councillor for Ward 43 in Scarborough East. On October 22, 2018 he was elected as Councillor for Ward 24 Scarborough-Guildwood. On February 1, 2006, City Council appointed Ainslie to fill the vacancy in Ward 41 that was created when Bas Balkissoon was elected in a provincial by-election in the riding of Scarborough—Rouge River.