Amin ud-din Ahmad Khan (23 March 1911 – 12 June 1983) was the last Nawab of princely state of Loharu, ruling from 1926 to 1947.
Born on 23 March 1911 in Delhi, he studied Aitchison College, Lahore, later, Member of the Chamber of Princes, and briefly served the Indian Army and saw action during the Liberation of Goa in 1961 .
He was a leader of the regional Indian National Congress party, and became a member of the Legislative Assembly of Rajasthan (MLA), and subsequently the ‘Minister Public Works Department’, Government of Rajasthan from 1967 to 1976.
Thereafter, he stayed the governor of Himachal Pradesh (1977–1981) and governor of Punjab (1981–1982).
He donated the famous and valuable library collection of his family to the Raza Library in Rampur. He died at New Delhi on 12 June 1983, aged 72.