Countess Tessa June von Walderdorff (Tessa June Gräfin von Walderdorff in German; born 20 February 1994), also known by her married name Tessa Hilton, is an American socialite, model, and real estate broker.
She previously worked as an actress in short films, a free-lance disc jockey, and was a writer for the German fashion and lifestyle magazine I Love You.
She is a member of the Walderdorff family, a German noble family of comital rank, and a morganatic descendant of the Löwenstein-Wertheim branch of the House of Wittelsbach.
She is a member of the Hilton family through her marriage to Barron Nicholas Hilton II.