| Official Name: | Unión Cantinil |
| Settlement Type: | Municipality |
| Pushpin Map: | Guatemala |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Guatemala |
| Subdivision Type: | Country |
| Subdivision Name: | Guatemala |
| Subdivision Name1: | Huehuetenango |
| Leader Title: | Mayor |
| Coordinates: | 15.605°N -91.7189°W |
| Blank Name: | Climate |
| Blank Info: | Cwb |
Unión Cantinil is a municipality in the Guatemalan department of Huehuetenango.