London Centre is a defunct Ontario provincial electoral district that was abolished in 1996. Its most notable representative was former Liberal Premier David Peterson, and was located in London, Ontario. It has elected the following members to the Legislative Assembly of Ontario:
| Assembly | Years | Member | Party | |
|---|---|---|---|---|
| 30th | 1975–1977 | David Peterson | Liberal | |
| 31st | 1977–1981 | |||
| 32nd | 1981–1985 | |||
| 33rd | 1985–1987 | |||
| 34th | 1987–1990 | |||
| 35th | 1990–1995 | Marion Boyd | New Democratic | |
| 36th | 1995–1999 | |||
| Ontario general election, 1977 | |||||
|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | |
| Liberal | David Peterson | 12,808 | 45.4% | ||
| Progressive Conservative | Frank Ross | 8,915 | 31.6% | ||
| New Democrat | Stu Ross | 6,279 | 22.3% | ||
| Independent | Agnes Shaw | 200 | 0.7% | ||
| Ontario general election, 1981 | |||||
|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | |
| Liberal | David Peterson | 12,315 | 51.7% | +6.3% | |
| Progressive Conservative | Russ Monteith | 8,329 | 34.9% | +3.3% | |
| New Democrat | Diane Risler | 3,189 | 13.4% | -8.9% | |
| Ontario general election, 1985 | |||||
|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | |
| Liberal | David Peterson | 13,890 | 54.8% | +3.1% | |
| Progressive Conservative | Bill Rudd | 6,714 | 26.5% | -8.4% | |
| New Democrat | Peter Cassidy | 4,340 | 17.1% | +3.7% | |
| Freedom | Michelle McColm | 3,137 | 1.6% | +1.6% | |
| Ontario general election, 1987 | |||||
|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | |
| Liberal | David Peterson | 18,194 | 55.2% | +0.4% | |
| New Democrat | Marion Boyd | 9,266 | 28.1% | +11.0% | |
| Progressive Conservative | Dennis McKaig | 3,864 | 11.7% | -14.8% | |
| Family Coalition | Brenda Rowe | 695 | 2.1% | +2.1% | |
| Freedom | Lloyd Walker | 589 | 1.8% | +0.2% | |
| Independent | Stunning Bentley | 375 | 1.1% | +1.1% | |
| Ontario general election, 1990 | |||||
|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | |
| New Democrat | Marion Boyd | 17,837 | 51.3% | +23.2% | |
| Liberal | David Peterson | 9,671 | 27.8% | -27.4% | |
| Progressive Conservative | Mark Handelman | 5,348 | 15.4% | +3.7% | |
| Family Coalition | John Van Geldersen | 982 | 2.8% | +0.7% | |
| Freedom | Lloyd Walker | 589 | 1.4% | -0.4% | |
| Independent | Terry Smart | 375 | 0.8% | +0.8% | |
| Communist | Issam Mansour | 84 | 0.2% | +0.2% | |
| Independent | Sidney Tarleton | 73 | 0.2% | +0.2% | |
| Ontario general election, 1995 | |||||
|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | |
| New Democrat | Marion Boyd | 11,096 | 36.8% | -14.5% | |
| Progressive Conservative | Patrick McGuinness | 9,364 | 31.0% | +15.6% | |
| Liberal | Ron Postian | 7,559 | 25.1% | -2.7% | |
| Family Coalition | Mike Dwyer | 1,041 | 3.5% | +0.7% | |
| Green | Jeff Culbert | 533 | 1.8% | +1.8% | |
| Freedom | Lloyd Walker | 452 | 1.5% | +0.1% | |
| Natural Law | Liz Overall | 134 | 0.4% | +0.4% | |