Languages with M
Yes - major Chinese language variety.
Yes - official language of Mongolia.
Yes - Austronesian language of SE Asia.
Yes - Indo-Aryan language of India.
Yes - Dravidian language of Kerala.
Yes - Semitic language of Malta.
Yes - South Slavic language of North Macedonia.
Yes - Polynesian language of New Zealand.
Yes - variant name for Romanian in Moldova.
Yes - common name for the Maya language family.
Yes - national language of Madagascar.
Manipuri (Meitei) language of Manipur, India
Morse code is a formal encoding system for language
Melayu is Malay in Malay; major Austronesian language
Magyar is the Hungarian language’s native name
Magadhi Prakrit; historical Indo-Aryan language
Language of Maldives, also called Dhivehi
Bantu language of Mozambique and Tanzania
Nilo-Saharan language of Chad and Sudan
Standardized variety of the Serbo‑Croatian continuum
Historic stage of English, used c. 1100–1500
Indo‑Aryan language of India, Bihar region
Celtic language from the Isle of Man
Austronesian language of Sulawesi, Indonesia
Language of the Mapuche people in Chile/Argentina
Fictional Star Wars language, widely known
The words in the list Languages with M come from players of the word game City, Country, River.