| Official Name: | Argenta, Montana |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Montana#USA |
| Pushpin Label: | Argenta |
| Coordinates: | 45.2794°N -112.8619°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Montana |
| Subdivision Type2: | County |
| Subdivision Name2: | Beaverhead |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 0.30 |
| Area Land Sq Mi: | 0.30 |
| Area Water Sq Mi: | 0.00 |
| Area Total Km2: | 0.77 |
| Area Land Km2: | 0.77 |
| Area Water Km2: | 0.00 |
| Population As Of: | 2020 |
| Population Density Km2: | 45.35 |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation Ft: | 6136 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 59725 (Dillon) |
| Area Code: | 406 |
| Blank Name: | FIPS code |
| Blank Info: | 30-02350 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2804241 |
| Population Total: | 35 |
| Unit Pref: | Imperial |
| Population Density Sq Mi: | 117.45 |
Argenta is an unincorporated community and census-designated place (CDP) in Beaverhead County, Montana, United States. It is in southwestern Montana, northwest of Dillon, the Beaverhead county seat. Argenta is in the valley of Rattlesnake Creek, a southeast-flowing tributary of the Beaverhead River, part of the Jefferson River watershed leading to the Missouri and finally the Mississippi River.
Argenta was first listed as a CDP prior to the 2020 census.