Daingean, formerly Philipstown, named after King Philip II of Spain, is a small town in east County Offaly, Ireland. It is situated midway between the towns of Tullamore and Edenderry on the R402 regional road. The town of Daingean had a population, as of the 2022 census, of 1,223. It is the principal town of the Daingean Catholic Parish. The other main poles of this parish are Ballycommon, Kilclonfert and Cappincur.