Elizabeth Ann Gilmour (née Smart; born November 3, 1987) is an American child safety activist and contributor for ABC News. She first gained national attention at the age of 14 when she was abducted from her home in Salt Lake City by Brian David Mitchell. Mitchell and his wife, Wanda Barzee, held Smart captive for nine months until she was rescued by authorities on a street in Sandy, Utah.
After her abduction, Smart has gone on to work as an activist and advocate for missing persons. Her life and abduction have been the subject of numerous non-fiction books and films.