| Blue Lake | |
| Location: | Raoul Island, Kermadec Islands |
| Coords: | -29.2556°N -177.9139°W |
| Type: | crater lake |
| Basin Countries: | New Zealand |
| Pushpin Map: | Pacific Ocean |
| Pushpin Map Alt: | Location of Raoul Island |
| Area: | 80ha |
Blue Lake is the name of one of two tiny crater lakes on Raoul Island in New Zealand's Kermadec Islands, the other being Green Lake. It covers an area of about 0.5 km2.