	At inter-county level, Donoghue, along with his twin brother Liam, was part of the successful Galway minor team that won the All-Ireland Championship in 1992 before later winning an All-Ireland Championship with the under-21 team in 1993. He also joined the Galway senior team in 1993. Donoghue's senior career was hampered by injuries, however, he made a number of National League and Championship appearances in a career that ended with his last game in 1996. His final season with the team saw him claim National League and Connacht Championship medals.