Marlenka Stupica (née Muck; 17 December 1927 – 17 June 2022) was a Slovene children's book illustrator.

[1] Stupica was born as Marlenka Muck in Maribor, Kingdom of Serbs, Croats and Slovenes on 17 December 1927.

Overall, she illustrated over one hundred children's books in her life, and also worked as a commercial designer and a puppet scenographer.

She illustrated fairy tales by Brothers Grimm, Hans Christian Andersen, Astrid Lindgren, and Ela Peroci, among others.

She died in Ljubljana on 17 June 2022 at the age of 94[4] In 1972, Stupica won the Prešeren Foundation Award for her achievements in children's book illustration.