Julia Marta Wieniawa-Narkiewicz is a Polish actress and singer. She is best known for her performance as Zosia Wolska in Nobody Sleeps in the Woods Tonight. She debuted in stage performances at the Workshop Musical Academy at the "Roma" Musical Theatre. The role of Paulina in the series Rodzinka.pl brought her popularity (2013–2020). In the years that followed, she played major roles in the films No One Will Sleep in the Woods Tonight (2020) and its sequel (2021), All My Friends Are Dead (2021) and Small World (2021), as well as in the TV series It's Worth It (2019–2020). As a vocalist, she released the studio album Omamy (2022).

Nobody Sleeps in the Woods Tonight is a 2020 Polish supernatural horror slasher film directed by Bartosz M. Kowalski, written by Kowalski, Jan Kwieciński, and Mirella Zaradkiewicz, and starring Julia Wieniawa, Michał Lupa, and Wiktoria Gasiewska.