The Muna–Buton languages are a group of languages spoken on the islands of Muna and Buton off the coast of South East Sulawesi province, Indonesia. They belong to the Celebic subgroup of the Austronesian family.
On the Indonesian island of Sulawesi, 114 native languages are spoken, all of which belong to the Malayo-Polynesian subgroup of the Austronesian language family. With a total number of 17,200,000 inhabitants, Sulawesi displays a high linguistic diversity when compared with the most densely populated Indonesian island Java, which hosts 4–8 languages spoken by 145,100,000 inhabitants.