DZ or dz may refer to:

  • Delftsche Zwervers, a Dutch student society and rover crew
  • Delta Zeta, a college sorority in the USA
  • Dimension Zero (Swedish band), a melodic death metal band
  • Discovery Zone, a playland and birthday party place for kids similar to Chuck E. Cheese's that went out of business in the late-1990s
  • Dread Zeppelin, a reggae influenced Led Zeppelin cover band fronted by an Elvis impersonator
  • Drop zone, as in a parachuting drop zone
  • Dragonball Z, a TV series
  • The differential of z
  • Nick Nemeth, American professional wrestler also known as Dolph Ziggler

In languages dz may represent:

  • Dzongkha language ISO 639 alpha-2 code
  • Dz (digraph), a digraph in the Polish, Macedonian, Slovak and Hungarian alphabets
  • the voiced alveolar affricate or, as in the English word "adze"
  • Dz or dz, is a digraph in the Esperanto alphabet, representing the uncommon voiced affricate as in edzo "husband", it does not have a distinct letter in the orthography, unlike its voiceless counterpart which is spelled with the single letter "c" )

As a code DZ or dz may represent:

  • Algeria 2-letter ISO 3166-1 country code
  • the METAR code for Drizzle