Kothnur is a census town in Bangalore district in the Indian state of Karnataka.

As of 2001[update] India census,[1] Kothnur had a population of 20,835.

Males constitute 53% of the population and females 47%.

In Kothnur, 13% of the population is under 6 years of age.

This article related to a location in Bangalore Urban district, Karnataka, India is a stub.