Robertstown Castle is a fortified house and National Monument in County Meath, Ireland.

The last O'Reillys to live in Robertstown House, adjacent to the castle, were Valentine & Kay O'Reilly & their children Stephanie, Pauline, Patricia, Charles, Joan, & Bernadette.

[3] One local legend, recorded in the 1930s by the Irish Folklore Commission, tells of a man named "Gutters" who lived in the castle ruins and fired his gun at random at passers-by.

He was in turn shot by a priest[4] Robertstown Castle is a fortified house, three storeys high with square bartizans (projecting turrets) on two opposite corners.

These are supported on moulded corbelling similar to that found in Scottish castles.