Ahmadullah or Ahmad Ulla is both a given name and a surname. Notable people with the name include:
Ahmadullah Shah (1787–1858), Indian freedom fighter Ahmadullah Affandi (1922–2013), Indian scout Ahmadullah Alizai (born 1972), Afghan politician Shaykh Ahmadullah bin Delwar Hossain (born 1981), Bangladeshi Islamic scholar Ahmad Ullah Maizbhandari (1826–1906), Bengali Sufi saint Ahmadullah Muttaqi (), Afghan Taliban politician Ahmadullah Wasiq (), Afghan politician Hafez Ahmadullah (1941–2025), Bangladeshi Islamic scholar Qari Ahmadullah (born 1975), Afghan militant
See also Ahmad (name) Ullah Muhammadullah, a related name