Ministry of Intergovernmental Affairs (Ontario)

The Ministry of Intergovernmental Affairs is responsible for intergovernmental affairs between the Canadian province of Ontario and the other provinces and territories and the Canadian government. The ministry's goal is to strengthen national unity and Ontario's role within Canada. The current minister is Doug Ford, who also served as the premier of Ontario; the position is often held concurrently by the premier.

The Provincial Secretary and Registrar of Ontario, Minister of Economics and Provincial Relations and Ministry of Federal-Provincial Relations were the positions formerly responsible for intergovernmental affairs.

Treasurer of Ontario, Economics, and Intergovernmental Affairs

 * Darcy McKeough, 1972 (April–September)
 * Charles MacNaughton, 1972–1973
 * John White, 1973–1975
 * Darcy McKeough, 1975–1978
 * Frank Miller, 1978 (August 16–18)

Intergovernmental Affairs
Asterisks indicate ministers who were concurrently Premier of Ontario.


 * Thomas Leonard Wells, 1978–1985
 * Frank Miller, 1985 (February–May)
 * Reuben Baetz, 1985 (May-June)
 * David Peterson, 1985–1990 *
 * Bob Rae, 1990–1995 *
 * Dianne Cunningham, 1995–1999
 * Norm Sterling, 1999–2001
 * Brenda Elliott, 2001–2003
 * Dalton McGuinty, 2003–2005 *
 * Marie Bountrogianni, 2005–2007
 * Dalton McGuinty, 2007–2010 *
 * Monique Smith, 2010–2011
 * Dalton McGuinty, 2011–2013 *
 * Laurel Broten, 2013 (February–July)
 * Kathleen Wynne, 2013–2018 *
 * Doug Ford, 2018—present *