Deborah Ann Dingell (born November 23, 1953) is an American Democratic Party politician who has been the U.S. Representative for Michigan's 12th congressional district since 2015. She is the wife of the longest-serving U.S. congressperson, John Dingell. She worked as a consultant to the American Automobile Policy Council. She was a superdelegate for the 2012 Democratic National Convention in Charlotte, North Carolina.