Khaliq Ahmad Nizami (born 1925), an Indian historian, religious scholar, and diplomat, was best known for his work on the history of medieval India and in particular for his studies of the Muslim community of that time.

Khaliq Ahmad Nizami was born in the town of Amroha in the United Provinces of British India on December 5, 1925. He was the son of Aziz Ahmad and Sayyidah Nizami. Khaliq Ahmad received his education in India, and though he travelled extensively and gained much recognition abroad, he also largely pursued his academic career in his native country. He attended the University of Agra, where he completed the M.A. in history in 1945. In the following year he was awarded the LL.B. degree by the same institution. Married to Raziyah Nizami, the couple had five children.

In 1947 Nizami joined the staff of the Aligarh Muslim University in Aligarh, India, in the Department...