Aghavilly (from Irish Achadh Bhile 'field of the sacred tree')[1] is a rural townland in County Down, Northern Ireland.

It is situated in the civil parish of Clonallan and the historic barony of Iveagh Upper, Upper Half, located 2 miles north of Warrenpoint.

It lies within the Newry City and Down District Council.

Aghavilly is also known as Aughavilly.

[2] This article related to the geography of County Down, Northern Ireland is a stub.