Kalasuri Arisen Ahubudu (Sinhala: ??????? ???????; 18 March 1920 – 26 May 2011) was a writer, orator, scholar, playwright, teacher (Guru), Sinhala lyricist, author and poet in Sri Lanka, born in Mudiyallagahawatta in Malalaga, Koggala.
He is a member of the Hela Havula.
He has received three government awards for literary works, the title of Kalasuri from the Government of Sri Lanka, and the Sarasaviya Awards film award for best composer.
As a composer, he is especially noted for writing music performed by W.D.