Kalawana (Sinhala: කලවාන, Tamil: கலாவானா) is a town in the Ratnapura District of Sabaragamuwa Province in Sri Lanka.

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.

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.