Shahidullah means "witness of Allah". It may refer to:
People Given name Shah Shahidullah Faridi (1915–1978), English writer Shahidullah Kaiser (1927–1971), Bangladeshi novelist Shahidullah (cricketer) (born 1999), Afghan cricketer
Surname Muhammad Shahidullah (1885–1969), Bengali linguist, polyglot, and educator Mohammed Shahidullah, Bangladeshi Army general Mohammad Shahidullah, Bangladeshi politician
Places Shahidulla (Xaidulla, Saitula), settlement on the old caravan route between Ladakh and Yarkand, now in Chinese Xinjiang
Others Shahidullah Hall, a residential hall of the University of Dhaka