Uncha Siwana is a census town in Karnal district in the Indian state of Haryana.

As of 2001[update] India census,[1] Uncha Siwana had a population of 10,609.

Males constitute 65% of the population and females 35%.

In Uncha Siwana, 10% of the population is under 6 years of age.

This Haryana location article is a stub.