a seaport and market town of Ireland, county of Mayo, 18 miles N.E. of Castlebar. It is a neat clean place, pleasantly situated on the river Moy, which is here crossed by two bridges. Pop. in 1851, 4635. Ardaraee, on the opposite side of the Moy, is popularly included, making a total population of 6569. It has a parish and a Roman Catholic church, Baptist and Methodist chapels, a court-house, workhouse, hospital, dispensary, barracks, and several schools. The salmon fishery, and provision and fish curing, are important branches of its trade; and it has also breweries, flour mills, and manufactures of snuff and coarse linen. The amount of customs duty received in 1850 was £5000. In 1798 Ballina was for a short time in the possession of the French under General Humbert.