Shamrock Rovers Football Club is an Irish professional football club based in Tallaght, South Dublin. The club's senior team competes in the League of Ireland Premier Division and it is the most successful club in the Republic of Ireland. The club has won the League of Ireland title a record 21 times and the FAI Cup a record 25 times. Shamrock Rovers have supplied more players to the Republic of Ireland national football team (64) than any other club. In All-Ireland competitions, such as the Intercity Cup, they hold the record for winning the most titles, having won seven cups overall.

Tallaght is the largest settlement, and county town, of South Dublin, Ireland, and the largest satellite town of Dublin. The central village area was the site of a monastic settlement from at least the 8th century, which became one of medieval Ireland's more important monastic centres.