The R505 road is a regional road in Ireland which runs east-west from Cashel, County Tipperary to the N24 southeast of Limerick City. En route it passes through Dundrum and Cappawhite in County Tipperary and Doon and Cappamore in County Limerick. The road is long.

See also Roads in Ireland National primary road National secondary road

References Roads Act 1993 (Classification of Regional Roads) Order 2006 – Department of Transport