Stephen J. Clark[1] MPP (born November 7, 1960) is a Canadian politician who has represented Leeds—Grenville—Thousand Islands and Rideau Lakes in the Legislative Assembly of Ontario since 2010.

A member of the Progressive Conservative (PC) Party, Clark was the minister of municipal affairs and housing from 2018 until 2023, when he resigned from provincial cabinet amid the Greenbelt scandal.

[6] He was first elected as the MPP for Leeds–Grenville in a by-election on March 4, 2010, held to replace Bob Runciman who resigned to accept a position in the Canadian Senate.

In July 2020, during the COVID-19 pandemic, Clark announced alongside Premier Doug Ford the historic one-time emergency $4 billion Safe Restart Agreement with the federal government.

[11] As a result of the COVID-19 outbreak, municipalities experienced unprecedented cashflow and financial pressures from decreased revenues and increased service delivery costs.

[11] During the COVID-19 pandemic, Clark worked closely with municipal partners across Ontario and introduced the COVID-19 Economic Recovery Act (Bill 197), which received Royal Assent on July 21, 2020.