| Second Island | |
| Location: | Lake Erie |
| Archipelago: | Long Point |
| Country: | Canada |
| Country Admin Divisions Title: | Province |
| Country Admin Divisions: | Ontario |
| Country Admin Divisions Title 1: | County |
| Country Admin Divisions 1: | Norfolk |
Second Island is an island in Ontario, Canada, located in Lake Erie north of Long Point. The island was never inhabited,[1] and is located between Ryerson's Island and Snow Island, which together with Second Island are three of the more notable islands near Long Point.[1]