Saeed Uz Zaman Siddiqui was a Pakistani jurist and legislator of great prominence who formerly served as the 15th Chief Justice of Pakistan and, prior to that, the 7th Chief Justice of the Sindh High Court. At the time of his death, he was serving as the 31st Governor of Sindh.

The chief justice of Pakistan is the chief judge of the Supreme Court of Pakistan and is the highest-ranking officer of the Pakistani judiciary. The officeholder is the senior most of 17 justices of the Supreme Court of Pakistan.