Liv Bernhoft Osa (born 3 March 1957) is a Norwegian actress.
She was born in Voss, a daughter of folk musician Sigbjørn Bernhoft Osa.
She received the Hedda Award in 2011, for best female supporting role in the play Uskyld.
She received the Amanda Award for best leading actress (the character "Alma") in the 2016 film Pyromaniac.
[1] In her first marriage, she was married to stage and film director Pål Løkkeberg (1934–1998), and is thus a daughter-in-law of Rønnaug Alten and Georg Løkkeberg.