| Ermineskin 138 | |
| Official Name: | Ermineskin Indian Reserve No. 138 |
| Settlement Type: | Indian reserve |
| Subdivision Type: | First Nation |
| Subdivision Name: | Ermineskin Cree |
| Subdivision Type1: | Treaty |
| Subdivision Name1: | 6 |
| Subdivision Type2: | Country |
| Subdivision Name2: | Canada |
| Subdivision Type3: | Province |
| Subdivision Name3: | Alberta |
| Subdivision Type4: | Municipal districts |
| Subdivision Name4: | Ponoka Wetaskiwin |
| Seat Type: | Headquarters |
| Unit Pref: | Metric |
| Area Footnotes: | [1] |
| Area Total Ha: | 10295.8 |
| Population Footnotes: | [2] |
| Population As Of: | 2016 |
| Population Total: | 2457 |
| Population Density Km2: | auto |
Ermineskin 138 is an Indian reserve of the Ermineskin Cree Nation in Alberta, located between Ponoka County and the County of Wetaskiwin No. 10.[3] Part of the Maskwacis community, it is 13 kilometres south of Wetaskiwin.[1]