Riaz Ahmad Khan (15 May 1952 – 21 August 2021) was a Pakistani judge who served as the 15th chief justice of the Federal Shariat Court from 7 March 2015 to 14 May 2017.
Prior to his retirement from legal services in May 2014, he served as Islamabad High Court judge.
He was appointed as additional deputy prosecutor at the National Accountability Bureau and a member of the Khyber Pakhtunkhwa Bar Council in 1999.
He later qualified Judicial Services of Pakistan (PCS) and was subsequently appointed civil judge to Peshawar, Kohat and Haripur, and Dera Ismail Khan.
In 1997 he became assistant advocate general and then additional deputy prosecutor at the National Accountability Bureau (NAB) where he remained in the office for three years.