| Duncan's 151A | |
| Official Name: | Duncan's Indian Reserve No. 151A |
| Settlement Type: | Indian reserve |
| Map Alt: | A map of the province of Alberta showing 80 counties and 145 small Indian reserves. One is highlighted with a red circle. |
| Subdivision Type: | First Nation |
| Subdivision Name: | Duncan's |
| Subdivision Type1: | Treaty |
| Subdivision Name1: | 8 |
| Subdivision Type2: | Country |
| Subdivision Name2: | Canada |
| Subdivision Type3: | Province |
| Subdivision Name3: | Alberta |
| Subdivision Type4: | Municipal district |
| Subdivision Name4: | Peace |
| Seat Type: | Community |
| Unit Pref: | Metric |
| Area Footnotes: | [1] |
| Area Total Ha: | 2036.8 |
| Population Footnotes: | [2] |
| Population As Of: | 2016 |
| Population Total: | 150 |
| Population Density Km2: | auto |
Duncan's 151A is an Indian reserve of the Duncan's First Nation in Alberta, located within the Municipal District of Peace No. 135.[3] It is 39 kilometers southwest of Peace River.[1] In the 2016 Canadian Census, it recorded a population of 150 living in 52 of its 56 total private dwellings.[2]