Ballyboy or Ballaboy (Irish: Baile Átha Buí, meaning 'settlement of the yellow ford')[1] is a village in County Offaly, Ireland.

[1] Prior to the Plantations of Ireland, Ballyboy was ruled by O'Molloy in a territory known as Firceall which was allied to the Kingdom of Meath.

Although now a small village of several houses, a pub and a primary school, it was an important and thriving hub in the Middle Ages.

[2] During this era, the town had a hat and glove factory, and a mill which was used for making flour, grinding corn and cutting timber.

There is also a ring fort in the village environs which legend has it is linked by a tunnel to the Ballyboy church about 400 metres distant.