Stewart Rudolph Weldon (born June 24, 1977) is an American serial killer, rapist, kidnapper, and habitual criminal who murdered three women from December 2017 to May 2018 in Springfield, Massachusetts. After being arrested for kidnapping and attempting to kill a fourth woman on May 27, 2018, authorities investigated his property and found the bodies of the previous three victims. Weldon pleaded guilty to the murders on September 28, 2021, and was sentenced to three consecutive life sentences.