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.

The 2007 Ontario general election was held on October 10, 2007, to elect members (MPPs) of the 39th Legislative Assembly of the Province of Ontario, Canada. The Liberals under Premier Dalton McGuinty won the election with a majority government, winning 71 out of a possible 107 seats with 42.2% of the popular vote. The election saw the third-lowest voter turnout in Ontario provincial elections, setting a then record for the lowest voter turnout with 52.8% of people who were eligible voted. This broke the previous record of 54.7% in the 1923 election, but would end up being surpassed in the 2011 and 2022 elections.