Blue Ball, historically known as Pallas (Irish: An Phailís),[1][2] is a small village in County Offaly, Ireland.

It is 9 km southwest of Tullamore, at the junction of the N52 and the R357 roads, in the civil parish of Killoughy.

[1] Pallas Lough, also in the civil parish of Killoughy,[3] is a small fishing lake located to the east of the village.

Butterfield Estate, near Blue Ball, hosts an annual agricultural and livestock show, the Tullamore Show.

[4][5] This article related to the geography of County Offaly, Ireland is a stub.