Ballacolla, officially Ballycolla, is a village in County Laois, Ireland. It sits at the crossroads of the R433 and R434 regional roads, 8 km southwest of Abbeyleix and 4 km northeast of junction 3 of the M8 motorway. ‘In Irish it is called Bolliacholla, i.e., Baile a’ Chalaidh, the townland of the ... long, coarse, sedgy grass’ de réir an Chorragánaigh; deir sé ‘Dr. Joyce’s explanation … town of a man named Colla, is incorrect’. As of the 2016 census, Ballacolla had a population of 136 people.