Wachs is a German surname meaning "wax". Notable people with the surname include:
Caitlin Wachs (born 1989), American actressDaliah Wachs, American radio personalityDaniel Alfred Wachs (born 1976), American musicianJoel Wachs (born 1939), American politicianJudith Wachs (c. 1938–2008), American singer and songwriterLarry Wachs, American radio hostMurray Wachs, pseudonym: Bingo Gazingo (1924–2010), American poetRuby Wachs, now Ruby Wax (born 1953), American comedian