Koththuru Chikkarangappa Raghunath (born 17 April 1965),[1] known by his screen name Rangayana Raghu, is an Indian film and stage actor, known for his work in Kannada cinema.

Born in Koththuru, a village in the Tumkur district of the erstwhile Mysore State (now Karnataka), to a Bayalaata artist, Raghu was inspired to act as a teenager.

Raghu then received praise for his performances in films like Ranga SSLC (2004), Duniya (2007), Modalasala (2010), Alemari (2012), and Director's Special (2013).

[12] Raghu played a respected folk artist humiliated by a wealthy man in Rangasamudra (2024), a film set in the North Karnataka region.

A. Sharadhaa of The New Indian Express wrote, "Rangayana Raghu shines every time he graces the screen, as a folk artist, he exemplifies a life of dignity.

The reviewer for Deccan Herald wrote: "Veteran Rangayana Raghu is brilliant in a nuanced role demanding wholesome acting.