Joan Marie Tetter was 30 and working as a registered nurse when she was last seen in Tampa, Florida, on March 21, 1988. She is described as 5 feet 6 inches tall, about 120 pounds, with blonde hair, blue eyes and a tattoo on her abdomen. She lived and worked in Tampa in the healthcare field.

Very few details about the circumstances of her disappearance are available. No personal belongings or traces of her whereabouts were reported found, and the case has received limited media attention. The Tampa Police Department lists the case as open, and her information is entered in NamUs and The Doe Network, but no significant breakthroughs have been reported.

Anyone who knew Joan, where she worked or spent time in Tampa in 1988, or who might remember seeing her after March 21, 1988, is asked to come forward with information.