Ellen Gunilla Hillingsø (born 9 March 1967)[1] is a Danish actress who is known primarily for her work in films.

Hillingsø's maternal grandfather was Gregers Juel, a chamberlain and a Knight (1st Class) of the Order of the Dannebrog.

Primarily a film actress, Hillingsø made her debut in the farce Huller i suppen in 1988, playing a small role alongside the comic duo John and Aage (Povl Erik Carstensen and Morten Lorentzen).

[3] In 1996, Hillingsø appeared in Peter Thorsboe's drama Krystalbarnet, in which she starred with Mirosław Baka, Grażyna Barszczewska, and Helene Egelund.

In 1999, she starred in Søren Kragh-Jacobsen's Mifune's Last Song alongside Iben Hjejle, Anders Hove, Sofie Gråbøl, and Paprika Steen.