Monica Nielsen (born Monica Lindgren; 30 November 1937 – 1 June 2025) was a Swedish actress and singer. 

She appeared in more than 50 films and television shows from 1947 onwards.

Selected filmography

• Blue Sky (1955)
• The Girl in the Rain (1955)
• The Dance Hall (1955)
• The Song of the Scarlet Flower (1956)
• A Guest in His Own House (1957)
• Pirates on the Malonen (1959)
• The Cats (1965)
• The Princess (1966)
• The Man on the Balcony (1993)