Al-Hajj Maulana Hafiz Hakim Noor-ud-Din (Urdu: الحاج مولانا حافظ حکیم نور الدین) (born 1841 in Bhera, Punjab, died March 13, 1914 in Qadian) was Khalifatul Masih I, Head of Ahmadiyya Muslim Community and a renowned physician, writer and theologian, scholar of Arabic and Hebrew. He was elected as the successor of Mirza Ghulam Ahmad on 27 May 1908, a day after his death.