Ballyboy (Irish: Baile Átha Buí) is a barony in County Offaly (formerly King's County), Ireland.

Ballyboy barony derives its name from the village of Ballyboy (Irish Baile Átha Buí, "settlement of the yellow ford").

[1] Ballyboy barony is located in central County Offaly.

The Silver River flows through it.

Below is a list of settlements in Ballyboy barony: This article related to the geography of County Offaly, Ireland is a stub.