Vlach is a primarily a historical exonym used to refer to some groups of speakers of Eastern Romance languages in Southeastern Europe.

Vlachs or Vlach may also refer to:

Cieszyn Vlachs, an ethnic group from Poland Moravian Vlachs, a historical ethnic group from Moravia Vlachs (social class), a social and fiscal class in late medieval and early modern Southeastern Europe Vlach (surname), a Czech surname Vlachs in medieval Bosnia and Herzegovina, a specific group of people in medieval Bosnia and Herzegovina Vlachs in medieval Serbia, a specific group of people in medieval Serbia Vlachs in the history of Croatia, a specific group of people in the history of Croatia Vlachs of Serbia, a Romanian-speaking ethnic group from Eastern Serbia

See also Mitre the Vlach Morlachs Oláh (disambiguation) Statutes of the Vlachs Vlach law Vlach Quartet Vlah Ullah millet Wallach (disambiguation) Wallachia (disambiguation)