Olivier Mambwa (born 5 December 2008) is a Swiss professional footballer who plays as a left-back for the Swiss Super League club Young Boys.
Mambwa is a product of the youth academies of the Swiss clubs Bümpliz, FC Köniz and Young Boys. He made his senior and professional debut with Young Boys in a 3âÂÂ1 Swiss Super League win over FC Lugano on 31 August 2025, assisting his side's second goal. He was named to The Guardian's Next Generation 2025: 60 of the best young talents in world football list.
Mambwa was born in Switzerland to a DR Congolese father and Swiss mother. He was called up to the Switzerland U17s for a set of 2025 UEFA European Under-17 Championship qualification matches in March 2025.