David Arthur Stack (July 5, 1957 – June 9, 1976) was an American man that was murdered while hitchhiking from his home in Broomfield, Colorado to California. Stack was murdered by an unknown assailant or assailants while he was in Wendover, Utah and his body was found a day later in a landfill in rural Tooele County, Utah. His body remained unidentified for 39 years until he was linked to the unidentified man through dental comparison and later through DNA.