Nawab Sir Khwaja Salimullah Bahadur GCIE KCSI (7 June 1871 – 16 January 1915) was the fourth Nawab of Dhaka and one of the leading Muslim politicians during the British rule in India.

On 30 December 1906, the All-India Muslim League was officially founded at the educational conference held in Dhaka.

The convention was held at Ahsan Manzil, the official residence of the Dhaka Nawab Family. Sir Salimullah was a key patron of education for the Eastern Bengal. He was one of the founders of the University of Dhaka and the prestigious Ahsanullah School of Engineering (now the Bangladesh University of Engineering and Technology).

Sir Salimullah was a staunch supporter of the Partition of Bengal and was a member of East Bengal and Assam Legislative Council from 1906 to 1907.