Barry Ray Grissom (born April 12, 1954) is an American attorney who served as the United States Attorney for the District of Kansas from 2010 to 2016. On July 1, 2019, Barry Grissom officially launched his campaign for the Democratic Party nomination for U.S. Senate. On October 17, 2019, he dropped out of the race, and endorsed former Kansas state Senator Barbara Bollier for the race.