| Official Name: | Tarkio, Montana |
| Pushpin Map: | Montana#USA |
| Pushpin Label: | Tarkio |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Montana |
| Subdivision Type2: | County |
| Subdivision Name2: | Mineral |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation Ft: | 2936 |
| Coordinates: | 47.0214°N -114.7056°W |
| Postal Code Type: | ZIP code |
| Blank Name: | GNIS feature ID |
| Blank Info: | 791898 |
Tarkio is an unincorporated community in Montana, United States, located in Mineral County. Tarkio falls in Mountain Time Zone (MST/MDT) and observes daylight saving time.
Tarkio's elevation is 2936feet above sea level, and is approximately 40miles outside of Missoula. It lies along Interstate 90 with access via exit 61. The Clark Fork River flows to the west.