Clíodhna Ní Lionáin

Clíodhna Ní Lionáin (born Coolgreany, County Wexford, Ireland) is an Irish archaeologist. She was lead archaeologist for the Devinish project Dowth Hall in July 2018 that discovered a 5,500-year-old passage tomb Megalithic passage tomb, near both Dowth and Newgrange.

Ní Lionáin described the discovery as "truly the find of a lifetime".