Randy Roth (born December 26, 1954) is an American murderer and thief from Washington. He was found guilty of the 1991 murder of his fourth wife, Cynthia Baumgartner Roth. Police thought he killed his second wife, Janis Roth, in 1981 but he was never put on trial for that. He was also found guilty of stealing from the place he worked, from an insurance company, and from Social Security. He was sent to jail for first degree murder in 1992.