Abul Faiz Mujibur Rahman (born 23 September 1897, in Faridpur district of Bangladesh), was a jurist and the first Bengali Muslim Indian Civil Service (ICS) officer.
He moved to Calcutta University and in 1920 achieved master's degree in pure mathematics with the highest score in the history of Calcutta University beating the previous record mark achieved by Sir Ashutosh Mukherjee.
He attended Balliol College, University of Oxford for probationary studies after which he joined in the judicial branch and also served as district judge in Dhaka for sometimes.
On request by Sher E Bangla A. K. Fazlul Huq, he took the responsibility of setting up the Land Acquisition Collectorate to ensure plots for hundreds and thousands of destitute Muslims living in Calcutta's slum area.
[6] Funded by the AF Mujibur Rahman Foundation, the new eight storey mathematics building of University of Dhaka called AF Mujibur Rahman Ganit Bhaban was inaugurated in 2014.