Gráinne Mary Walsh (born 13 October 1995) is an Irish boxer. She won a bronze medal at the 2025 World Boxing Championships and competed at the 2024 Summer Olympics.
Walsh is a native of Tullamore. She was a talented soccer player with Shamrock Rovers Ladies F.C. and studied at NUI Galway.
Walsh boxes at Spartacus Boxing Club in Tullamore. She won bronze at the 2019 European Games in Minsk.
Having made it through to the 2024 Summer Olympics via the final qualification tournament in Thailand, Walsh lost in the first round at the Games in Paris to Anna Hamori from Hungary by 3:2 split decision, despite her opponent having a point deducted for holding.
Walsh won a bronze medal in the 65kg division at the 2025 World Boxing Championships in Liverpool, losing in the semi-finals to Kazakhstan's eventual gold medalist Aida Abikeyeva by unanimous decision.