| Ratková | |
| Settlement Type: | Municipality |
| Subdivision Type: | Country |
| Subdivision Type2: | Region |
| Subdivision Name2: | Banská Bystrica |
| Subdivision Type3: | District |
| Subdivision Name3: | Revúca |
| Pushpin Map: | Slovakia Banská Bystrica Region#Slovakia |
| Pushpin Relief: | 1 |
| Pushpin Map Caption: | Location of Ratková in the Banská Bystrica Region##Location of Ratková in Slovakia |
| Coordinates: | 48.5917°N 20.0972°W |
| Established Title: | First mentioned |
| Established Date: | 1413 |
| Area Total Km2: | 12.71[1] |
| Area Total Sq Mi: | 4.91 |
| Elevation M: | 289[2] |
| Elevation Ft: | 948 |
| Population Total: | 626[3] |
| Population Density Km2: | 49.09[4] |
| Population Density Sq Mi: | 18.95 |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 982 65 |
| Area Code: | +421 47 |
| Blank Name: | Car plate |
| Blank Info: | RA |
Ratková (Hungarian: Ratkó) is a village and municipality in Revúca District in the Banská Bystrica Region of Slovakia.[5]