Kenneth Granviel (August 4, 1950 – February 27, 1996) was an American serial killer and rapist who was responsible for the sexually-motivated murders of seven people in Fort Worth, Texas from 1974 to 1975, most notably the mass murder of three women and two children. After willingly admitting to the crimes, he was convicted, sentenced to death and executed in 1996, after several delays and challenges to his sentence.