| Blue Lake | |
| Coords: | -43.6955°N 170.166°W |
| Basin Countries: | New Zealand |
| Pushpin Map: | New Zealand South Island |
| Pushpin Map Alt: | Location of Blue Lake |
Blue Lake is a small lake at the foot of the Tasman Glacier in inland Canterbury, in the central South Island of New Zealand. Its outflow is the Tasman River, part of the Waitaki River system.