| Official Name: | Jämshög |
| Pushpin Map: | Sweden Blekinge#Sweden |
| Subdivision Type: | Country |
| Subdivision Name: | Sweden |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Olofström Municipality |
| Subdivision Type2: | County |
| Subdivision Name2: | Blekinge County |
| Subdivision Type1: | Province |
| Subdivision Name1: | Blekinge |
| Area Footnotes: | [1] |
| Area Total Km2: | 1.62 |
| Population As Of: | 31 December 2010 |
| Population Total: | 1,494 |
| Population Density Km2: | 920 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 56.2333°N 45°W |
Jämshög is a locality situated in Olofström Municipality, Blekinge County, Sweden with 1,494 inhabitants in 2010.
It is the site of Jämshög Church (Jämshögs kyrka) in the Diocese of Lund. During the Northern Seven Years' War (1563 - 1570), the church was destroyed and when it was rebuilt with a sacristy was added in 1778. In 1803, the church and the surrounding village were extinguished when the belfry, the vicarage and seven farmhouses were totally destroyed. The present church began to be erected on June 20, 1804 after drawings by architect Olof Tempelman (1745-1816).[2] [3]
The following sports clubs are located in Jämshög: