Serajul Haque was a Bangladesh Nationalist Party politician and a member of parliament for Sherpur-3. His son, Mahmudul Haque Rubel, was elected to parliament in 2001.
Serajul Haque was born on 1 June 1936.
Haque was elected to parliament from Sherpur-3 as a Bangladesh Nationalist Party candidate in 1991.
He died in a road accident on 28 October 1994.