Anthony Charles Sousa is a Canadian politician who has served as the Member of Parliament from Mississauga-Lakeshore since December 12, 2022. He previously served as the Minister of Finance for Ontario from 2013 to 2018. A member of the Ontario Liberal Party, Sousa was elected to represent Missisuaga South in the Legislative Assembly of Ontario in 2007. He joined the provincial cabinet as the minister of labour in 2010 and became Ontario's minister of citizenship and immigration in 2011. In 2022, Sousa ran as the federal Liberal candidate in the Mississauga-Lakeshore by-election which was held on December 12, 2022. Sousa won the election, defeating 39 other candidates.

A by-election was held in the federal riding of Mississauga—Lakeshore in Ontario on December 12, 2022, following the resignation of incumbent Liberal MP Sven Spengemann. After 6 years in Parliament, Spengemann resigned on May 27, 2022, to accept a role with the United Nations. The election was won by former Ontario finance minister Charles Sousa.