Star of the County Down is an Irish ballad set near Banbridge in County Down, in Northern Ireland. The words are by Cathal MacGarvey (1866–1927) from Ramelton, County Donegal. The tune is traditional, and may be known as "Dives and Lazarus" or (as a hymn tune) "Kingsfold".
The melody was also used in an Irish folk song called "My Love Nell". The lyrics of "My Love Nell" tell the story of a young man who courts a girl but loses her when she emigrates to America. The only real similarity with "Star of the County Down" is that Nell too comes from County Down. This may have inspired MacGarvey to place the heroine of his new song in Down as well. MacGarvey was from Donegal.