Horana is a town in Kalutara District, in the Western Province of Sri Lanka. It is on the road from Panadura to Ratnapura. It is located in 42 km (26 mi) away from Colombo and 18 km (11 mi) away from Panadura.
The town is administered by an Urban Council. Horana is the home town of former Prime Minister of Sri Lanka Ratnasiri Wickremanayake.