Chester John Culver (born January 25, 1966) is an American politician who served one term as the 41st governor of Iowa, from 2007 to 2011. A member of the Democratic Party, he had previously served as the 29th secretary of state of Iowa from 1999 to 2007. He was elected governor in the 2006 Iowa gubernatorial election and ran unsuccessfully for reelection in 2010, losing to former Governor Terry Branstad.

He was also elected as the federal Liaison for the Democratic Governors Association, serving from 2008 to 2009. He founded the Chet Culver Group, an energy sector consulting firm, in 2011 after he left public office. As of 2023, he is the most recent Governor of Iowa from the Democratic Party. He was appointed to be a member of the Federal Agricultural Mortgage Corporation's board of directors in 2012 by President Barack Obama, serving until 2019, and was re-appointed by President Joe Biden on May 23, 2022.