Khandker Anwarul Islam is a retired Bangladeshi civil servant.

[3] Islam joined Bangladesh Civil Service (Special) in 1983 as an Upazila Magistrate under administration cadre after graduating with a Bachelor's and Master's Degree in Social Welfare from Dhaka University.

[2] At the beginning of his career, he served as Upazila Nirbahi Officer (UNO), Additional Deputy Commissioner and Director in National Sports Council.

[5] He had been appointed as the Cabinet Secretary on 28 October 2019 and retired on 15 December 2022.

Islam is married to Begum Kamrun Nahar, former Secretary to the Ministry of Information and Broadcasting.