Gunathilake Bandara Senanayake (14 July 1913 – 16 March 1985) (known as G.B Senanayake) (Sinhala: ජී.බී. සේනානායක) was a prominent Sinhala author who portrayed Sinhala middle-class life in his novels. He is credited with introducing free verse poetry to Sinhala. He became blind later in his life and still managed to write 16 books with help from his sister-in-law Deemathi Senanayake and niece Dayani Senanayake.