Zachary M. Nunn (born May 4, 1979) is an American politician and former member of the Iowa Air National Guard. A member of the Republican Party, he has been Iowa State Senator from the 15th district since 2019 and was Iowa State Representative for the 30th district from 2015 to 2019. Nunn was the Republican nominee for Iowa's 3rd congressional district in 2022, winning against incumbent Democrat Cindy Axne. He is set to take office in January 2023.