Michał Rosiak (born 12 October 2005) is a Polish professional footballer who plays as a defender or midfielder for Arsenal.
Early life.
Rosiak was born on 12 October 2005 in Białogard, Poland. Moving with his family to London, England at a young age, he is the son of Polish footballer Mariusz Rosiak.
Club career.
As a youth player, Rosiak joined the youth academy of Polish side Kotwica Kołobrzeg. Subsequently, he joined the youth academy of English Premier League side Arsenal. Polish newspaper wrote in 2025 that he was "a key figure in the [club's] Premier League 2 side". 
International career.
Rosiak is a Poland youth international. During October 2023, he played for the Poland under-19s during the 2024 UEFA European Under-19 Championship qualification.
Style of play.
Rosiak plays as a defender or as a midfielder and is right-footed. Known for his versatility, he is also known for his free kick taking ability and his goalscoring ability.