Clonlisk (Irish: Cluain Leisc) is a barony in County Offaly (formerly King's County), Ireland.

Clonlisk derives its name from Clonlisk Castle (near Dunkerrin) and the townland of Clonlisk (Irish Cluain Leisc, 'meadow of laziness').

[1] Clonlisk is located in southwest County Offaly.

Clonlisk was part of the territory of the Ó Cearbhaill (O'Carroll) of Éile (Ely).

[2] Below is a list of settlements in Clonlisk: This article related to the geography of County Offaly, Ireland is a stub.