Chitnahalli Udayashankar (18 February 1934 – 2 July 1993; born in Chitnahalli) was an Indian lyricist and dialogue writer in the Kannada film industry for over three decades, who penned more than 3000 songs for films and devotional songs.

Guru Dutt is an actor and director in Kannada and Tamil feature films.

He wrote a great deal of dialogues and lyrics for many Rajkumar movies.

He also acted in movies like Haalu Jenu, Nee Nanna Gellalare, Halli Rambhe Belli Bombe and Anand.

Chi Udayashakar used to write his lyrics in simple and easily understood words.