Amul Roger Thapar is an American lawyer and jurist serving as a United States circuit judge of the United States Court of Appeals for the Sixth Circuit. He was appointed in 2017 by President Donald Trump, having previously served as a United States district judge of the United States District Court for the Eastern District of Kentucky from 2008 to 2017 and as the United States attorney for the Eastern District of Kentucky from 2006 to 2008. Thapar was Trump's first Court of Appeals appointment and second judicial appointment after Justice Neil Gorsuch. Thapar has been discussed as a candidate for the Supreme Court of the United States.