Zainul Haque Sikder (12 August 1930 – 10 February 2021) was a Bangladeshi businessman and the founder of Sikder Group.[1] He was the chairman of National Bank Limited,[2] Sikder Real Estate Limited, Sikder Pharma, Monowara Sikder Medical College and Hospital, Z. H. Sikder Women's Medical College & Hospital, and Z. H. Sikder University of Science and Technology.[3] He was also the owner of english newspaper, Bangladesh Post.[4] He was also the owner of Power Pack Economic Zone, Power Pack Holdings, Power Pack Ports, and Sikder Insurance.[5]