Queen's University Belfast Rugby Football Club is the rugby union team of Queen's University Belfast, currently playing in Division 2A of the All-Ireland League. Founded in 1869, it is the most successful and oldest continuous rugby union club in Northern Ireland. They originally played as Queen's College, Belfast and have won the Ulster Senior Cup a record 23 times. In 2000 they were relegated to the Ulster Senior League but returned to the AIB League two years later. Their senior team will play the 2018–19 season in Division 2A of the AIL and Division 1 of the SONI Ulster Rugby Premiership.