Cara Evelyn Knott (February 11, 1966 – December 27, 1986) was an American student at San Diego State University who disappeared on December 27, 1986, while driving from her boyfriend's home in Escondido, California, to her parents' house in El Cajon. The following day, December 28, her car was found on a dead-end road at the Mercy Road off-ramp from I-15 in San Diego County. Her body was recovered at the bottom of a 65-foot ravine nearby.