Julie R. Ølgaard (born 29 September 1981 in Copenhagen, Denmark) is a Danish actress.
In 2000, Ølgaard relocated to Los Angeles, where she trained as an actress at the Lee Strasberg Theatre and Film Institute. After three years, she returned home and had a short career as radio host at Danmarks Radio. Her breakthrough into film came with the 2003 thriller Midsommer.
Ølgaard is best known as Nanna Birk Larsen, the murder victim in The Killing.
She was previously married to Danish rapper L.O.C.