| Kingfisher 3A | |
| Official Name: | Kingfisher Indian Reserve No. 3A |
| Settlement Type: | Indian reserve |
| Pushpin Map: | Canada Ontario |
| Pushpin Mapsize: | 200 |
| Coordinates: | 52.9083°N -134°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Type2: | District |
| Subdivision Name2: | Kenora |
| Subdivision Type3: | First Nation |
| Subdivision Name3: | Kingfisher |
| Area Footnotes: | [1] |
| Area Land Km2: | 9.22 |
Kingfisher 3A is a First Nations reserve on Kingfisher Lake in northwestern Ontario. It is one of three reserves of the Kingfisher First Nation.