| Merrimac | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | USA West Virginia |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location within the state of West Virginia |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | West Virginia |
| Subdivision Type2: | County |
| Subdivision Name2: | Mingo |
| Unit Pref: | Imperial |
| Population As Of: | 2000 |
| Population Density Km2: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 735 |
| Coordinates: | 37.6353°N -82.2158°W |
| Postal Code Type: | ZIP codes |
| Blank Name: | FIPS code |
| Blank Info: | 1543132 |
Merrimac is an unincorporated community located in Mingo County, West Virginia, United States. Its post office is closed.
Merrimac is a name derived from a Native American language meaning "swift water".[1]