Rønnaug Alten (9 February 1910 – 20 January 2001) was a Norwegian actress and stage instructor.
Rønnaug Alten in 1940
|Born||9 February 1910|
|Died||20 January 2001 (aged 90)|
|Awards||Guldbagge Award for Best Actress in a Leading Role (1982)|
Order of St. Olav (1982)
She was born in Tromsø, Norway. Her parents were Emil Bredenbech Melle (1878–1950) and Ragna Aass (1880–1975). After her parents divorce in 1913, she was raised by her mother and her stepfather, Supreme Court Justice Edvin Alten (1876–1967). Her sister Berit Alten (1915–2002) was married to literary historian Asbjørn Aarnes (1923–2013). She grew up in Kristiania (now Oslo) and attended Frogner School graduating artium in 1918. 
She made her stage debut at Den Nationale Scene in 1930 as "Viola" in Shakespeare's play Twelfth Night. During her career she worked for various theatres, including Det Nye Teater (1931–38), Nationaltheatret (1935), Trøndelag Teater (1945–48), Riksteatret (1949–51), Folketeatret (1952–59), Oslo Nye Teater (1959–68) and Teatret Vårt in Molde (1972–74). Her final performance was at the Riksteatret in 1975.
Rønnaug Alten's film career began in 1936 with a role under film director Olav Dalgard. She also translated and organized a series of recordings for NRK. She served as an instructor principally for children's performance. She was a board member of the Norwegian Actors' Equity Association. She was decorated Knight, First Class of the Order of St. Olav in 1982. Also in 1982, she shared the award Best Actress at the 18th Guldbagge Awards with Sunniva Lindekleiv and Lise Fjeldstad for their roles in Little Ida.
- Larsen, Svend Erik Løken. "Rønnaug Alten". In Godal, Anne Marit (ed.). Store norske leksikon. Oslo: Norsk nettleksikon. Retrieved 7 November 2012.
- "Edvin Alten". Store norske leksikon. Retrieved 1 April 2018.
- "Asbjørn Aarnes". Store norske leksikon. Retrieved 1 April 2018.
- "Georg Løkkeberg". Norsk biografisk leksikon. Retrieved 1 April 2018.
- Lillian Bikset. "Pål Løkkeberg". Store norske leksikon. Retrieved 1 April 2018.
- Lyche, Lise. "Rønnaug Alten". In Helle, Knut (ed.). Norsk biografisk leksikon. Oslo: Kunnskapsforlaget. Retrieved 7 November 2012.
- "Liten Ida (1981)". The Swedish Film Database. Retrieved 9 March 2014.