Ontario general election, 2011 Opinion polls Opinion polls

| Polling_Firm | Date_of_Polling | Link | Liberal | Green |
|---|---|---|---|---|
| EKOS | September 29 – October 2, 2011 | PDF | 37.8 | 7.3 |
| Nanos Research | September 29 – October 1, 2011 | PDF | 36.5 | 1.9 |
| Nanos Research | September 28–30, 2011 | PDF | 38.0 | 1.8 |
| Angus Reid | September 28–30, 2011 | PDF | 33 | 6 |
| Leger Marketing | September 28–29, 2011 | PDF | 32 | 5 |
| Nanos Research | September 28–29, 2011 | PDF | 37.7 | 2.0 |
| Environics | September 26–28, 2011 | HTML | 35 | 3 |
| Abacus Data | September 23–25, 2011 | PDF | 33 | 6 |
| EKOS | September 21–25, 2011 | PDF | 34.9 | 7.6 |
| Forum Research | September 22–23, 2011 | HTML | 35 | 5 |
| Angus Reid | September 13–15, 2011 | HTML | 32 | 6 |
| Leger Marketing | September 12–15, 2011 | PDF | 33 | 5 |
| Abacus Data | September 9–12, 2011 | HTML | 32 | 6 |