Naas North (Irish: An Nás Thuaidh) is a barony in County Kildare, Ireland.

Naas North barony is located in northeast County Kildare, south and east of the Liffey.

These were part of the ancient lands of the Uí Broin (O'Byrnes) before the 13th century, retaken in the 14th.

The Uí Ceallaig Cualann (O'Kelly) were also noted early in the eastern section.

An Uí Fhionáin (O'Finan) sept is noted in the north part of this barony.