Todd J. McCarthy is a Canadian lawyer and politician who has been the Ontario Minister of Public and Business Service Delivery since September 22, 2023. A member of the Progressive Conservative (PC) Party, McCarthy was elected in the 2022 provincial election to represent Durham in the Legislative Assembly of Ontario.

The Legislative Assembly of Ontario is the legislative chamber of the Canadian province of Ontario. Its elected members are known as Members of Provincial Parliament (MPPs). Bills passed by the Legislative Assembly are given royal assent by the lieutenant governor of Ontario to become law. Together, the Legislative Assembly and Lieutenant Governor make up the unicameral Legislature of Ontario or Parliament of Ontario. The assembly meets at the Ontario Legislative Building at Queen's Park in the provincial capital of Toronto.