Oughterard is an ecclesiastical hilltop site, graveyard, townland, and formerly a parish, borough and royal manor in County Kildare, nowadays part of the community of Ardclough, close to the Dublin border. It is the burial place of Arthur Guinness.

Arthur Guinness was an Irish brewer, entrepreneur, and philanthropist. The inventor of Guinness beer, he founded the Guinness Brewery at St. James's Gate in 1759.