The Commonwealth of the Northern Mariana Islands has three official languages: Chamorro, Carolinian, and English. This trilingual status reflects the islands' complex history of Chamorro indigenous settlement, Carolinian migration from the Caroline Islands in the 18th and 19th centuries, Spanish colonization, German administration, Japanese administration, and US trusteeship. Each era has left traces in official documents, place names, and personal naming conventions.
Chamorro is an Austronesian language, closely related to the Chamorro spoken in Guam, with centuries of Spanish-influence vocabulary. Carolinian (also called Refaluwasch) is a distinct Micronesian language spoken primarily on Saipan and the smaller northern islands, belonging to the Chuukic branch of the Micronesian language family. Both languages use the Latin script but have distinct phonological systems and vocabulary that require specialist translators.
Official CNMI documents from the Vital Statistics Office are issued primarily in English, but personal names, clan affiliations, place of birth, and village names often reflect Chamorro or Carolinian forms. Historical documents — church registers, Japanese-era records, and Trust Territory of the Pacific Islands administrative records — may contain significant non-English content requiring expert translation for legal, immigration, and genealogy purposes.







