Wallach or Vlach is a blanket term covering several modern Latin peoples descending from the Latinised population in Central, Eastern and Southeast Europe.

Wallach may also refer to:

  • Wallach (crater), a small lunar impact crater
  • 6670 Wallach, a main-belt asteroid
  • Wallach IX, a fictional planet in Frank Herbert's science fiction universe of Dune
  • Wallach Hall, a dormitory on the campus of Columbia University

People with the surname

  • Benjamin Wallach (1873–1935), South African cricketer
  • Chad Wallach (born 1991), American baseball player
  • Clarrie Wallach (1889-1918) and Neville Wallach (1896-1918), Australian rugby union players who were awarded the Military Cross during World War I
  • Eli Wallach (1915–2014), American actor
  • Evan Wallach, American judge, expert on war crimes
  • Hanna Wallach (born 1979), computational social scientist
  • Ira Wallach (writer) (1913–1995), American screenwriter and novelist
  • Ira D. Wallach (1909–2007), American businessman and philanthropist
  • Joe Wallach (born 1923), American businessman. television broadcasting executive and author
  • John Wallach (1943–2002), American journalist, author and editor
  • Lori Wallach, director and founder of Global Trade Watch
  • Maxim Litvinov or Max Wallach (1876–1951), Russian revolutionary and Soviet diplomat
  • Moshe Wallach (1866–1957), German Jewish / Israeli physician
  • Otto Wallach (1847–1931), German chemist, Nobel Prize winner
  • Richard Wallach (1816–1881), American politician
  • Steve Wallach (born 1945), American computer architecture engineer and company founder
  • Theresa Wallach (1909-1999), motorcyclist, engineer, and author
  • Tim Wallach (born 1957), American former baseball player
  • Van Wallach (born 1947), American herpetologist
  • William Douglas Wallach (1812–1871), American surveyor and newspaper entrepreneur
  • Yochanan Vollach or Jochanan Wallach, (born 1945), Israeli former footballer
  • Yona Wallach (1944–1985), Israeli poet
  • Wallach brothers (1876–1900s) Australian family in rugby union and soldiers in World War I
  • Ari Wallach, a futurist

See also

  • Wallach rearrangement, an organic reaction converting an azoxy compound to an azo compound
  • Wallach reform, 16th century land reform in Lithuanian lands
  • Walhaz, the Germanic root
  • Walloons, the French-speaking population of Belgium, with a name also coming from Walhaz root
  • Welsh people, an ethnic group and nation associated with Wales and the Welsh language, with a name also coming from Walhaz root
  • Wallack, a term or name related to Wallach
  • Wallich, an unrelated, but phonetically similar name
  • Wallace (surname)
  • Wallachia (disambiguation)
  • Oláh (disambiguation)
  • Volokh (disambiguation)
  • French people, the descendants of the Gauls. The word Gaul may possibly have been from the Walhaz root