| Dolný Harmanec | |
| Other Name: | Alsóhermánd |
| Settlement Type: | Municipality |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Type2: | District |
| Subdivision Name2: | Banská Bystrica District |
| Pushpin Map: | Slovakia Banská Bystrica Region#Slovakia |
| Pushpin Relief: | 1 |
| Pushpin Map Caption: | Location of Dolný Harmanec in the Banská Bystrica Region##Location of Dolný Harmanec in Slovakia |
| Coordinates: | 48.82°N 19.03°W |
| Leader Title: | Mayor |
| Leader Name: | Alena Necpalová |
| Established Title: | First mentioned |
| Established Date: | 1540 |
| Area Footnotes: | [1] |
| Area Total Km2: | 44.29 |
| Elevation Footnotes: | [2] |
| Elevation M: | 484 |
| Population Footnotes: | [3] |
| Population Total: | 267 |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 976 03 |
| Area Code: | +421 48 |
| Blank Name: | Car plate |
| Blank Info: | BB |
Dolný Harmanec (de|Klein Hermans, Unter Hermanetz; hu|Alsóhermánd) is a village and municipality of the Banská Bystrica District in the Banská Bystrica Region of Slovakia. It has a population of 204 people.
In historical records, the village was first mentioned in 1540 (Hermans) as a mining settlement belonging to Banská Bystrica. After on, it belonged to the Thurzo family and to rich merchants Fugger. Later on, it belonged to Banská Bystrica again.
The village is located close to the Harmanec Cave.