DZ, Dz, or dz may refer to:
Dzhokhar Anzorovich "Jahar" Tsarnaev (; born July 22, 1993) is a Kyrgyzstani-American terrorist of Chechen descent who was convicted of planting bombs at the Boston Marathon on April 15, 2013, along with his brother Tamerlan Tsarnaev.
Dzogchen (Wylie: rdzogs chen) or "Great Perfection", Sanskrit: अतियोग, is a tradition of teachings in Tibetan Buddhism aimed at discovering and continuing in the natural primordial state of being.
Dzungaria (also spelled Zungaria, Dzungharia or Zungharia, Dzhungaria or Zhungaria, or Djungaria or Jungaria) is a geographical region in northwest China corresponding to the northern half of Xinjiang, also known as Beijiang (Chinese: 北疆; pinyin: Běijiāng; literally: "Northern Xinjiang").
Dzongkha, or Bhutanese (རྫོང་ཁ་ [dzoŋkʰa]), is a Sino-Tibetan language spoken by over half a million people in Bhutan; it is the sole official and national language of the Kingdom of Bhutan.
The Dzungar Khanate, also written as the Zunghar Khanate, was an Oirat khanate on the Eurasian Steppe.
DZMM (630 AM) – operating as ABS-CBN DZMM Radyo Patrol 630 – is a 24-hour Filipino language news/talk radio station broadcasting from Quezon City, Philippines, serving the Mega Manila market.
Dzhokhar Musayevich Dudayev (Chechen: Dudin Musa-khant Dƶoxar, Дудин Муса-кӀант Джохар; Russian: Джоха́р Муса́евич Дуда́ев pronunciation ; 15 February 1944 – 21 April 1996) was a Soviet Air Force general and Chechen leader, the first President of the Chechen Republic of Ichkeria, a breakaway state in the North Caucasus.