The Roman Catholic Archdiocese of Tôla(g)naro (Latin: Tolagnaren(sis)) is a Latin suffragan diocese in the Ecclesiastical province of Toliara in Madagascar, yet still depends on the missionary Roman Congregation for the Evangelization of Peoples.
Its cathedral episcopal see is in Tôla(g)naro .
As per 2014 it pastorally served 128,000 Catholics (11.4% of 1,120,000 total) on 45,000 km² in 16 parishes and 2 missions with 37 priests (17 diocesan, 20 religious), 134 lay religious (36 brothers, 98 sisters) and 15 seminarians.
(all Roman rite; so far members of a Latin missionary congregation, until 2001 French)
Coordinates: 25°01′55″S 46°59′41″E / 25.03194°S 46.99472°E