Juz may refer to:

• juz', one of the thirty parts into which Quran is sometimes divided
• jüz, one of the three main territorial divisions in the Kypchak Plain area that covers much of the contemporary Kazakhstan:
  • Senior jüz
  • Middle jüz
  • Junior jüz
• Jowz (also Romanized as Juz), a village in Iran
• Quzhou Airport, in Zhejiang Province, China

A zhuz ( , also translated as "horde" or "hundred") is one of the three main territorial and tribal divisions in the Kypchak Plain area that covers much of the contemporary Kazakhstan, and represents the main tribal division within the ethnic group of the Kazakhs.