| Merrimac | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | USA Kentucky#USA |
| Pushpin Map Caption: | Location within the state of Kentucky |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Kentucky |
| Subdivision Type2: | County |
| Subdivision Name2: | Taylor |
| 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: | 797 |
| Coordinates: | 37.4125°N -85.1286°W |
| Postal Code Type: | ZIP codes |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 498076 |
Merrimac (also Merrimack) is an unincorporated community in Taylor County, Kentucky, United States. It lies along local roads a short distance east of Route 337, northeast of the city of Campbellsville, the county seat of Taylor County.[1] Its elevation is 797 feet (243 m).[2]