DZ, Dz, or dz may refer to:
Dzhokhar Anzorovich Tsarnaev (; born July 22, 1993) is a Kyrgyzstani-American terrorist of Chechen descent who was convicted of planting pressure cooker 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.
The name Dzungar people, also written as Zunghar (literally züüngar, from the Mongolian for "left hand"), referred to the several Oirat tribes who formed and maintained the Dzungar Khanate in the 17th and 18th centuries.