Lachs (German for "salmon") is a surname. Notable people with the surname include:
Charles Lachs (1879-1979), Bavarian-Swedish visual artist Charlotta Lachs (1867-1920), Bavarian-Swedish singer Friedrich Lachs (1832-1910), Bavarian-Swedish brewmaster John Lachs (born 1934), American academic Manfred Lachs (1914–1993), Polish diplomat and jurist Minna Lachs (1907–1993), Austrian educator and memoirist Stephen Lachs (born 1939), American judge
See also
Lach (disambiguation) Lox, a fillet of brined salmon.