Ariadna Gil i Giner (Catalan pronunciation: [əɾiˈanːə ˈʒil i ʒiˈne]; born 23 January 1969) is a Spanish actress.

She is known for her performances in films such as Belle Époque (for which she won the Goya Award for Best Actress), Black Tears and Pan's Labyrinth.

Gil made her feature film debut as an actress in Bigas Luna's Lola (1986).

Gil was married to screenwriter, director, and novelist David Trueba with whom she has two children.

[citation needed] Gil has been in a relationship with American actor Viggo Mortensen since 2009.