Sadiq ul Khairi (; 11 May 1915, Delhi - 26 January 1989, Karachi, Sindh) was an Indian born Pakistani Urdu novelist, playwright and translator. He was the son of well-known Urdu writer Allama Rashid Al-Khairi and younger brother Razzaq Al-Khairi.
Khairi was born on 11 May 1915, in Delhi, British India. His father, Allama Rashid Al Khairi was a prominent Indian scholar and writer. Sadiq al-Khairi's grandfather Maulvi Abdul Qadir was one of the prominent scholars of Delhi. The famous Urdu writer Nazir Ahmad was the son-in-law of Maulvi Abdul Qadir.
Khairi died of a heart attack in Karachi on 26 January 1989 and was buried in Sakhi Hassan Cemetery.