Mahfuzul Haque is a Bengali masculine given name of Arabic origin, meaning "trustee of the truth". Notable bearers of the name include:

Mufti Mahfuzul Haque (born 1969), Bangladeshi Islamic scholar Mahfuzul Huq, East Pakistani politician Quazi Mahfujul Haque Supan, professor of law

See also Mahfuz (name) Haqq (surname)