Killavullen (Irish: Cill an Mhuilinn, meaning 'the Church of the Mill') is a village on the river Blackwater, in County Cork, Ireland.

[2][3] The village is located just south of the N72 road, between Mallow and Castletownroche.

Edmund Burke, parliamentarian and philosopher, received some of his early education in a hedge school in Killavullen.

Nano Nagle, founder of the Presentation Sisters, was born near Killavullen (in Ballygriffin) in 1718.

The village contains Ballymacmoy House, home of the Hennessy family of Cognac fame.