ROSS, or Roscarbery, a market-town of Ireland, in the county of Cork, on a rocky hill at the head of Ross Bay, 39 miles S.W. of Cork, and 197 S.W. of Dublin. It has an old cathedral, which has been several times altered, and is now surmounted by a modern spire. A Roman Catholic church, court-house, market-house, jail, and dispensary are also in the town. A weekly market and two annual fairs are held here. Pop. (1851) 1044.