Sultan Ibrahim ibni Almarhum Sultan Muhammad IV, KCMG, (9 October 1897 – 9 July 1960) was the Sultan of Kelantan from 1944 to 1960. He was born at Istana Balai Besar in Kota Bharu to Sultan Muhammad IV ibni Almarhum Sultan Muhammad III, Sultan of Kelantan and his wife, Sultanah Zainab binti Nik Wan Muhammad Amin. On 22 June 1911, his father appointed him "Tengku Sri Indra Mahkota Kelantan", becoming the heir apparent on 21 April 1921.