| Official Name: | Kalawana |
| Native Name: | කලවාන கலாவான |
| Settlement Type: | Town |
| Pushpin Map: | Sri Lanka |
| Pushpin Mapsize: | 200 |
| Coordinates: | 6.5315°N 80.3968°W |
| Subdivision Type: | Country |
| Subdivision Name: | Sri Lanka |
| Subdivision Type1: | Province |
| Subdivision Name1: | Sabaragamuwa |
| Subdivision Type2: | District |
| Subdivision Name2: | Ratnapura |
| Subdivision Type3: | Division |
| Subdivision Name3: | Kalawana |
| Unit Pref: | Metric |
| Area Total Km2: | 379 |
| Population As Of: | 2012 |
| Population Total: | 51,307 |
| Population Density Km2: | 135.4 |
| Timezone: | Sri Lanka Standard Time |
| Utc Offset: | +5:30 |
| Postal Code: | 70450 |
Kalawana (Sinhala; Sinhalese: කලවාන, Tamil: கலாவானா) is a town in the Ratnapura District of Sabaragamuwa Province in Sri Lanka.
Kalawana is located approximately 30km (20miles) away from Ratnapura and 100km (100miles) to the south-east of Colombo.
Gem Trade, Tea Plantation and Tourism had been the main source of income for many families in Kalawana for decades.
Kalawana is in the vicinity of the Sinharaja Forest Reserve which is an UNESCO World Heritage site and a biodiversity hotspot in Sri Lanka.
The Kukule Ganga Dam is also located in Kalawana area on the Kukule river.
Ratnapura - Kalawana belongs to the wet zone of Sri Lanka where ample amount of rain is received throughout the year. The average temperature is 30 degrees Celsius during day time and high humidity is sometimes experienced.