Acquiring Bilingualism in Early Childhood Transmigration Village, Buana SaktiVillage, Mamuju Regency. This research is very unique because it discusses bilingualism inBugis, Javanese, Lombok, Makassar, Toraja, Balinese and Indonesian which has never beenresearched before. This study aims to obtain This research is very unique because it discussesbilingualism in Bugis, Javanese, Lombok, Makassar, Toraja, Balinese and Indonesian which hasnever been researched before. This study aims to obtain information about bilingualism which isinfluenced by the surrounding environment. In addition to knowing the factors and influencesearly childhood can be faster or slower in mastering two or more languages. The source of theresearch data came from the early childhood transmigration village of Mamuju district. In thisstudy using descriptive qualitative research methods with direct interview techniques on children.The research instrument is a questionnaire. Data analysis was carried out in sequence, namely:(1) identifying the child's language, (2) reducing data, (3) presenting data, (4) interpreting data,(5) concluding the interpretation results. The results of this study found the acquisition ofbilingualism in early childhood, namely the first language mastered by children in theTransmigration village was Indonesian and their respective regional languages. There are alsothose whose first is first language is Indonesian, the children in the Transmigration village canuse their own regional language and can even understand the local languages of other ethnicgroups, although they are still.Keywords: Acquisition of Bilingualism, Transmigration, Environmental Influence, ethnic groups