Find MPP by name:
| MPP Sort descending | Riding | Party |
|---|---|---|
| Dack, Walter MacMorris | Bruce Centre | Ontario Liberal Party |
| Dadamo, George | Windsor—Sandwich | New Democratic Party of Ontario |
| Daigeler, Hans W. | Nepean | Ontario Liberal Party |
| Daley, Charles | Lincoln | Progressive Conservative Party of Ontario |
| Daly, Thomas Mayne | Perth North | Conservative Party |
| Damerla, Dipika | Mississauga East—Cooksville | Ontario Liberal Party |
| Dana, George Augustus | Brockville | Ontario Liberal Party |
| Dance, James Charles | Elgin East | Ontario Liberal Party |
| Danford, Harry | Hastings—Peterborough | Progressive Conservative Party of Ontario |
| Dargavel, John Robertson | Leeds | Conservative Party |
| Davidson, David | Simcoe Centre | Ontario Liberal Party |
| Davidson, Montgomery "Monty" | Cambridge | New Democratic Party of Ontario |
| Davidson, Thomas Scott | Brant North | Ontario Liberal Party |
| Davies, Myrddyn Cooke | Windsor—Walkerville | Progressive Conservative Party of Ontario |
| Davis, Elihu James | York North | Ontario Liberal Party |
| Davis, Herbert James | Elgin East | Conservative Party |
| Davis, William C. | Scarborough Centre | Progressive Conservative Party of Ontario |
| Davis, William Grenville | Brampton | Progressive Conservative Party of Ontario |
| Davison, Michael Norman | Hamilton Centre | New Democratic Party of Ontario |
| Davison, Norman Andrew | Hamilton Centre | New Democratic Party of Ontario |
| Dawson, James | Kent | Ontario Liberal Party |
| Dawson, Simon James | Algoma | Ontario Liberal Party |
| De Monte, Dante Matthew | Dovercourt | Ontario Liberal Party |
| Deacon, Donald MacKay | York Centre | Ontario Liberal Party |
| Deacon, Thomas | Renfrew North | Conservative Party |
| Dean, Gordon Howlett | Wentworth | Progressive Conservative Party of Ontario |
| Deans, Ian | Wentworth | New Democratic Party of Ontario |
| DeFaria, Carl | Mississauga East | Progressive Conservative Party of Ontario |
| Del Duca, Steven | Vaughan | Ontario Liberal Party |
| Delaney, Bob | Mississauga—Streetsville | Ontario Liberal Party |
| Demers, Gaston Joseph Clément | Nickel Belt | Progressive Conservative Party of Ontario |
| Dempsey, James Shannon | Renfrew South | Progressive Conservative Party of Ontario |
| Dempsey, William Ryerson | Prince Edward | Conservative Party |
| Denison, George | Addington | Conservative Party |
| Dennison, William David | St. David | Co-operative Commonwealth Federation |
| Dent, Thomas Roy | Oxford | Progressive Conservative Party of Ontario |
| Denyes, Henry Ketcheson | Hastings East | United Farmers of Ontario |
| Deroche, Hammel Madden | Addington | Ontario Liberal Party |
| Des Rosiers, Nathalie | Ottawa—Vanier | Ontario Liberal Party |
| DesRosiers, Arthur | Russell | Ontario Liberal Party |
| Devitt, John Henry | Durham West | Conservative Party |
| Dewan, Patrick Michael | Oxford | Ontario Liberal Party |
| Dewart, Herbert Hartley | Toronto Southwest — Seat A | Ontario Liberal Party |
| Dhillon, Vic | Brampton West | Ontario Liberal Party |
| Di Cocco, Caroline | Sarnia—Lambton | Ontario Liberal Party |
| Di Santo, Odoardo | Downsview | New Democratic Party of Ontario |
| Dickenson, John | Wentworth South | Ontario Liberal Party |
| Dickson, Joe | Ajax—Pickering | Ontario Liberal Party |
| Dickson, William Angus | Perth | Ontario Liberal Party |
| Dietsch, Michael Murray | St. Catharines—Brock | Ontario Liberal Party |
| Dill, Jacob William | Muskoka and Parry Sound | Ontario Liberal Party |
| DiNovo, Cheri | Parkdale—High Park | New Democratic Party of Ontario |
| Dixon, Jess | Kitchener South—Hespeler | Progressive Conservative Party of Ontario |
| Docker, William Manson | Kenora | Co-operative Commonwealth Federation |
| Doherty, Manning William | Kent East | United Farmers of Ontario |
| Dombrowsky, Leona | Prince Edward—Hastings | Ontario Liberal Party |
| Dong, Han | Trinity—Spadina | Ontario Liberal Party |
| Donovan, Albert Edward | Brockville | Conservative Party |
| Doucett, George Henry | Lanark | Progressive Conservative Party of Ontario |
| Douglas, John Henry | Northumberland East | Ontario Liberal Party |
| Dowie, Andrew | Windsor—Tecumseh | Progressive Conservative Party of Ontario |
| Dowling, John Francis | Renfrew South | Ontario Liberal Party |
| Dowling, John Lawrence | Hamilton East | Co-operative Commonwealth Federation |
| Downer, Alfred Wallace | Dufferin—Simcoe | Progressive Conservative Party of Ontario |
| Downey, Hon. Doug | Barrie—Springwater—Oro-Medonte | Progressive Conservative Party of Ontario |
| Downey, Joseph Patrick | Wellington South | Conservative Party |
| Downie, Robert Roy | Lambton East | Ontario Liberal Party |
| Doyle, Ed | Wentworth East | Progressive Conservative Party of Ontario |
| Doyle, James William | Middlesex North | Conservative Party |
| Drainville, Dennis Paul | Victoria—Haliburton | Independent |
| Drea, James Francis | Scarborough Centre | Progressive Conservative Party of Ontario |
| Drew, George Alexander | High Park | Progressive Conservative Party of Ontario |
| Drury, Charles Alfred | Simcoe East | Ontario Liberal Party |
| Drury, Ernest Charles | Halton | United Farmers of Ontario |
| Dryden, John | Ontario South | Ontario Liberal Party |
| Ducharme, Séverin | Essex North | Ontario Liberal Party |
| Duckworth, William | Dovercourt | Progressive Conservative Party of Ontario |
| Duff, James Stoddart | Simcoe West | Conservative Party |
| Duff, Thomas Neil | Bruce | Ontario Liberal Party |
| Duguid, Brad | Scarborough Centre | Ontario Liberal Party |
| Duignan, Noel | Halton North | New Democratic Party of Ontario |
| Dukszta, Jan | Parkdale | New Democratic Party of Ontario |
| Dunbar, George Harrison | Ottawa South | Progressive Conservative Party of Ontario |
| Duncan, Archibald Stuart | London | Ontario Liberal Party |
| Duncan, Dwight | Windsor—Tecumseh | Ontario Liberal Party |
| Dunlop, Arunah | Renfrew North | Conservative Party |
| Dunlop, Edward Arunah | Renfrew North | Conservative Party |
| Dunlop, Edward Arunah | York—Forest Hill | Progressive Conservative Party of Ontario |
| Dunlop, Garfield | Simcoe North | Progressive Conservative Party of Ontario |
| Dunlop, Hon. Jill | Simcoe North | Progressive Conservative Party of Ontario |
| Dunlop, William James | Eglinton | Progressive Conservative Party of Ontario |
| Dye, Stanley Harding | Brantford | Progressive Conservative Party of Ontario |
| Dymond, Matthew Bulloch | Ontario | Progressive Conservative Party of Ontario |
| Dynes, William | Dufferin | Patron Party |