Afzal ad-Dawlah, Asaf Jah V Mir Tahniyath Ali Khan Siddiqi Bayafandi (11 October 1827 – 26 February 1869) was the ruling Nizam of Hyderabad, India, from 1857 to 1869.^[1]

Asaf Jah V's realm was divided into five subahs and sixteen districts; each subah was headed by a Subedar and each district by a Taluqdar.

Reforms during his reign, by his Prime Minister Salar Jung, included the establishment of a governmental central treasury in 1855.

Asaf Jah V reformed the Hyderabad revenue and judicial systems, instituted a postal service and constructed the first rail and telegraph networks. In 1861 he was awarded the Star of India.^[2]

During the regime of the Nizam V, Mir Tahniyath Ali Khan Siddiqi (Afzal-ud-Dawlah), Dar-ul-Uloom, the first regular educational institution of Hyderabad, was set up in 1854.^[3]

Asaf Jah V was the eldest son of Nasir-ud-dawlah, Asaf Jah IV "Mir Farqunda Ali Khan" and his wife Sahebzadi Dilawar unisa Begum Saheba. He was married three times, first to Sahebzadi Mahboob Begum Saheba, second to Sahebzadi Allah Rakhi Begum and third to Sahebzadi Hussaini Begum Saheba, and sired four sons and six daughters.

He died at Hyderabad on 26 February 1869, after a reign of just 12 years and was buried at the Mecca Masjid mosque.^[4][5]

His Highness Sir Nizam-ul-Mulk, Afzal ad-Dawlah, Nawab Farooqi Mir Tahniat Ali Khan Siddiqi Bayafandi Bahadur, Asaf Jah V, GCSI, Nizam of Hyderabad.^[6]