Police were alerted to a home in Gränna during Friday at 11.27.
The two deceased persons are a woman and a man in their 50s. Relatives are notified and the police have conducted a technical examination of the site.
"There have been no signs of external violence what I understand," says Erik Terneborn, press spokesman at the police.
There is no suspect at this time.
"Right now, we are awaiting a preliminary opinion from the forensic physician," says Erik Terneborn.