| Official Name: | Kristvallabrunn |
| Pushpin Map: | Sweden Kalmar#Sweden |
| Subdivision Type: | Country |
| Subdivision Name: | Sweden |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Nybro Municipality |
| Subdivision Type2: | County |
| Subdivision Name2: | Kalmar County |
| Subdivision Type1: | Province |
| Subdivision Name1: | Småland |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.60 |
| Population As Of: | 31 December 2010 |
| Population Total: | 246 |
| Population Density Km2: | 409 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 56.7667°N 19°W |
Kristvallabrunn is a locality situated in Nybro Municipality, Kalmar County, Sweden with 246 inhabitants in 2010.
It lies about 30 km from Kalmar and the nearest city is Nybro. It has several woodworking industries. The village has a preschool and a primary school. Kristvallabrunn gained popularity for its health spa in the late 19th century.