| Montana 139 | |
| Official Name: | Montana Indian Reserve No. 139 |
| 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: | Montana |
| Subdivision Type1: | Treaty |
| Subdivision Name1: | 6 |
| Subdivision Type2: | Country |
| Subdivision Name2: | Canada |
| Subdivision Type3: | Province |
| Subdivision Name3: | Alberta |
| Subdivision Type4: | Municipal district |
| Subdivision Name4: | Ponoka |
| Seat Type: | Community |
| Unit Pref: | Metric |
| Area Footnotes: | [1] |
| Area Total Ha: | 2824.8 |
| Population Footnotes: | [2] |
| Population As Of: | 2016 |
| Population Total: | 630 |
| Population Density Km2: | auto |
Montana 139 is an Indian reserve of the Montana First Nation in Alberta, located within Ponoka County.[3] Part of the Maskwacis community, it is 24 kilometers south of Wetaskiwin.[1] In the 2016 Canadian Census, it recorded a population of 630 living in 137 of its 143 total private dwellings.[2]
Besides Montana 139, the Montana First Nation also has access to Pigeon Lake 138A,[4] a reserve shared by the four nations of Maskwacis. The other three are the Ermineskin First Nation, the Louis Bull First Nation and the Samson Cree Nation.[5]