Demet Akbağ (born 23 December 1959) is a Turkish theatre and film actress.

Demet Akbağ was born in Denizli as the third child of Benan and Oktay İybar. Her maternal family is of Turkmen descent. Her paternal family is of Kurdish descent. Her father's religion is Alevism. His family was in Denizli at the time because of the duty of his grandfather as the head of justice department in the city. Her father was a journalist and photographer. She has two elder siblings, Sedef and Kemal. As her parents separated when she was 13, she and her mother and grandmother moved to Istanbul in 1972.