Justyna Mazur

Justyna Mazur (born 11 February 1986 in Zabrze) is a Polish podcaster who studied at Jagiellonian University. She wrote the blog Krótki poradnik jak ogarnąć życie before starting her first podcast, Słuchowisko, about everyday life, reflections and conversations. She also makes a true crime podcast about criminal cases and disappearances, and an audio series about a serial killer who operated in Zagłębie and Silesia in the 1960s and 1970s. Her YouTube channel, under the name Justyna Mazur-Kudelska, had about 228,000 subscribers in October 2025.