The Roman Catholic Diocese of Limoeiro do Norte (Latin: Dioecesis Limoëirensis) is a Latin Rite suffragan diocese in the ecclesiastical province of Fortaleza, both in Ceará state, northeast Brazil.

Its cathedral episcopal see is Catedral Nossa Senhora da Conceiçao, dedicated to Immaculate Conception, in the city of Limoeiro do Norte.

As per 2014, it pastorally served 489,000 Catholics (90.4% of 541,000 total) on 18,440 km2 in 25 parishes and 1 mission with 41 priests (28 diocesan, 13 religious), 73 lay religious (18 brothers, 55 sisters) and 9 seminarians.

(all Roman rite)

This article on a Roman Catholic diocese in Brazil is a stub.