Malta
Maltese (official), English (official)

Man, Isle of
English, Manx Gaelic

Marshall Islands
English (widely spoken as a second language, both
English and Marshallese are official languages), two major
Marshallese dialects from the Malayo-Polynesian family, Japanese

Martinique
French, Creole patois

Mauritania
Arabic (official), Pulaar, Soninke, French, Hassaniya,
Wolof

Mauritius
English (official), Creole, French (official), Hindi,
Urdu, Hakka, Bhojpuri

Mayotte
Mahorian (a Swahili dialect), French (official language)
spoken by 35% of the population

Mexico
Spanish, various Mayan, Nahuatl, and other regional
indigenous languages

Micronesia, Federated States of
English (official and common
language), Trukese, Pohnpeian, Yapese, Kosrean, Ulithian, Woleaian,
Nukuoro, Kapingamarangi

Moldova
Moldovan (official, virtually the same as the Romanian
language), Russian, Gagauz (a Turkish dialect)