Bar Harbor Airlines Flight 1808 was a scheduled flight from Logan International Airport to Bangor International Airport in the United States on August 25, 1985. On final approach to Auburn/Lewiston Municipal Airport, the Bar Harbor Airlines Beechcraft Model 99 crashed short of the runway, killing all six passengers and two crew on board. Among the passengers was Samantha Smith, a 13-year-old American schoolgirl who had become famous as a goodwill ambassador to the Soviet Union and had been cast on the television show Lime Street.

Bar Harbor Airlines was a commuter airline in the United States that operated from 1950 until 1991, when it merged with Britt Airways. It was headquartered at Hancock County–Bar Harbor Airport in Trenton, Maine, and later in Houston, Texas.