Zahir al-Din (Arabic: ظهیرالدّین) may refer to:

• Zahir ad-Din Toghtekin (died 1128), Turkic military leader who was atabeg of Damascus
• Zahir-al-Din Faryabi (died 1201), Persian poet
• Zahir al-Din Karawi (fl. 1355/56), leader of the Sarbadars of Sabzewar
• Zahir ud-din Muhammad Babur (1483–1531), Muslim conqueror who laid the basis for the Mughal dynasty of India
• Chowdhury Abd-Allah Zaheeruddin, known as Lal Mia (1903–1969), Bengali politician
• Humayun Zahiruddin Amir-i Kabir, or Humayun Kabir (1906–1969), Indian politician
• A. M. Zahiruddin Khan (1936–2005), Bangladeshi industrialist and politician
• Zahir Uddin Ahmed (born 1957), Chief of Staff of Bangladesh Navy
• Zaheer-ud-din Babar Awan (born 1957?/1959?), Pakistani politician