Kolonnawa (Sinhala: කොලොන්නාව, Tamil: கொலன்னாவ) is a town located on the eastern boundary of Colombo, Sri Lanka.

It is bounded by Kelani River to the north, Kotikawatta-Mulleriyawa Pradeshiya Sabha to the east, Kotte Municipal Council to the south and Colombo Municipal Council to the west.

[2] Kolonnawa Municipality area is a multi-ethnic, multi-religious urban centre.

According to the census of 2012, the demographics by ethnicity and religion are as follows:

This Western Province, Sri Lanka location article is a stub.