B. K. Harinarayanan is a popular lyricist in Malayalam film industry. He was born at Kunnamkulam in Thrissur. His debut song was for ‘Killer’, a movie directed by B Unnikrishnan. Harinarayanan became popular as a lyricist after his song ‘Olanjalikkuruvi’ written for the movie ‘1983’ was well-received by audience.

He also has penned songs for movies like Two Countries, Oppam, The Great Father, CIA, Masterpiece, Mili, Koothara, Pipin Chuvattile Pranayam, Rakshadhikari Baiju and Udhaharanam Sujatha.