The secretary of agriculture of Iowa is an elected position in government of the U.S. state of Iowa that was created in 1923 by the extra session of the 40th General Assembly. The secretary of agriculture heads the Iowa Department of Agriculture and Land Stewardship, which is responsible for managing land and helping farmers in the state.

Mike Naig is an American politician in the state of Iowa. A Republican, he is the current Iowa secretary of agriculture. He became the deputy secretary of agriculture in September 2013. After the resignation of Bill Northey, Kim Reynolds appointed Naig to succeed him in March 2018. Naig defeated Tim Gannon in the November 2018 election.