| Couchiching 16A | |
| Official Name: | Couchiching Indian Reserve No. 16A |
| Settlement Type: | Indian reserve |
| Pushpin Map: | Canada Ontario |
| Pushpin Mapsize: | 200 |
| Coordinates: | 48.6833°N -119°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Type2: | District |
| Subdivision Name2: | Rainy River |
| Subdivision Type3: | First Nation |
| Subdivision Name3: | Couchiching |
| Area Land Km2: | 65.47 |
| Population Footnotes: | [1] |
| Population Total: | 633 |
| Population As Of: | 2021 |
| Population Density Km2: | 9.7 |
| Website: | www.couchiching firstnation.com |
Couchiching 16A is a First Nations reserve near Fort Frances, Ontario. It is the main reserve of the Couchiching First Nation.