Mirtill Petrus (born 14 November 2001) is a Hungarian handballer for Debreceni VSC and the Hungary national team.

She made her debut in the Debreceni VSC first team in November 2018 in Nemzeti Bajnokság I.

In the 2019/20 season, she also played in Nemzeti Bajnokság I/B NKK Balmazújváros on loan.

In the 2023/24 season, she could also play in the EHF Champions League, scoring 26 goals in 16 games.

[4] At the 2024 European Women's Handball Championship, the Hungarian team finished in 3rd place, Mirtill played in 1 match.