Wiktoria Osińska was born in 2004 in Warsaw. She began her musical education at the age of seven at the Karol Szymanowski Music School No. 4 in Warsaw, studying under the guidance of Anna Skibińska-Haponiuk and Proffesor Tomasz Strahl. She graduated in 2023, and in October of the same year, she began her studies at the University of Music and Performing Arts in Vienna.

Wiktoria has participated in numerous workshops, including the Morningside Music Bridge in 2022, held in Boston. There, she studied under the guidance of professors such as Laurence Lesser, Clara Kim, Wei Yu, Paul Katz, Zvi Plesser, Tao Ni, and Andrés Díaz. She has also worked with renowned cellists and pedagogues, including Troels Svane, Marko Ylönen, Stefan Kropfitsch, Kazimierz Michalik, and Adam Krzeszowiec.

She took part in numerous competitions, winning high places and awards.

It was a huge success to receive a scholarship from the Minister of Culture and National Heritage of Young Poland 2017. Wiktoria was also a scholarship holder of the National Children’s Fund for nine consecutive years (2014–2022). In 2018, 2019 and 2021 she received a scholarship from the Minister of Culture for artistic achievement. Wiktoria leads a busy artistic life, actively participating in diverse artistic projects.