DZ

DZ, Dz, or dz may refer to:

Businesses and organizations

 * DarkZero Esports, an American esports organization
 * Delftsche Zwervers, a Dutch student society and rover crew
 * Delta Zeta, a college sorority in the USA
 * Discovery Zone, an American children's entertainment business from 1989 to 2001 and currently since 2020.
 * Donghai Airlines, the IATA code for this airline.

In language

 * Dz (digraph), used in Polish, Kashubian, Macedonian, Slovak, Esperanto, Hungarian, Dene Suline (Chipewyan) and Cantonese Pinyin
 * Dzongkha (ISO 639 alpha-2 code)
 * Voiced alveolar sibilant affricate or, as in the English word "adze"

People

 * John Drewienkiewicz, British soldier
 * Dolph Ziggler, American professional wrestler

In science and technology

 * dz, in calculus, notation for the differential of a variable z
 * DZ, METAR code for drizzle

Other uses

 * Algeria (ISO 3166-1 country code)
 * .dz, Algeria's internet country code top-level domain (ccTLD)
 * Demilitarized zone, a buffer zone between military powers
 * Drop zone, as in a parachuting drop zone
 * contraction for dozen