John O'Neill is a retired professional footballer from Ireland, known for his versatility on the field. He primarily played as a midfielder and had a career spanning several clubs, including Cork City and Derry City. O'Neill was recognized for his strong work ethic and ability to contribute both defensively and offensively. Throughout his career, O'Neill made significant contributions to his teams, earning respect from fans and teammates alike. He also represented the Republic of Ireland at various youth levels, showcasing his talent early on. His dedication to the sport has left a lasting impact on Irish football.