Esther Marie Kostøl (11 December 1936 – 10 July 2023) was a Norwegian trade union leader.
She was secretary for the Norwegian Confederation of Trade Unions from 1985 to 1989 and deputy chair from 1989 to 1997.
In 1997, she sat in the Norwegian Nobel Committee.
[1] Kostøl died on 10 July 2023, at the age of 86.
This Norwegian biographical article is a stub.