A spokesman for the Kingsport Fire Department said Teresa Ann Napier, 37, was killed in a fire early Monday at 1421 Miller Street. Two other people were injured.
As of Monday afternoon, officials were still investigating the blaze at the two-bedroom house.
Kingsport Fire Chief Craig Dye said it was too early to comment on what triggered the fire.
The fire department was alerted to the blaze at 4:56 a.m., and firefighters were on the scene be fore 5 a.m. Dye said three engines and a ladder truck responded.