Mirza Abu Bakht (1835–1857) was a Mughal prince. Mirza Abu Bakht was the father of Mirza Muhammed Baig and the son of Mirza Fath-ul-Mulk Bahadur who was the last crown prince of the Mughal Kingdom and the eldest son of the last Mughal Emperor Bahadur Shah Zafar. He was the oldest legitimate grandson of the Emperor.