Nilgün Belgün (born 18 March 1953) is a Turkish actress.

Belgün studied at the Special Şişli High School and later at the Istanbul Municipal Conservatory.

After appearing in a number of TV series and movies, her breakthrough came in 1990 with her role in Bir Başka Gece.

Aside from her acting career, she made various types of parodies at entertainment shows on TV.

She also authored books and worked for the awareness campaign of Turkey Menopause and Osteoporosis Society.