Adam Gregg (born April 26, 1983) is an American lawyer and politician serving as the 47th lieutenant governor of Iowa. He has held this position since 2019. Gregg previously served as Acting Lieutenant Governor from 2017 to 2019. A member of the Republican Party, Gregg served as Public Defender of Iowa from 2014 to 2017. He was the Republican candidate for Attorney General of Iowa in the November 2014 elections.