In the Roman Catholic divisions, Newbridge is situated in St. Conleth's Parish (http://www.newbridgeparish.ie/) in the Diocese of Kildare and Leighlin, and the parish has a total of three churches in the town: St Conleth's Parish Church (1852), Cill Mhuire (1983) and the Dominican St. Eustace's Church (1966).
Newbridge Sports Centre hosts the African faith group "The Kingdom of Heavenly Water, Fire and Mountains" and a Jehovah's Witness Kingdom Hall is located just outside the town, near Milltown.