The Roman Catholic Diocese of Juína (Latin: Dioecesis Iuinensis) is a diocese located in the city of Juína in the ecclesiastical province of Cuiabá in Brazil.

• December 23, 1997: Established as Diocese of Juína from the Diocese of Diamantino and Diocese of Ji-Paraná

• Bishops of Juína (Roman rite)
  • Bishop Franco Dalla Valle, S.D.B. (1997.12.23 – 2007.08.02)
  • Archbishop Mílton Antônio dos Santos, S.D.B. (Apostolic Administrator 2007.08 – 2009.02.15)
  • Bishop Neri José Tondello (2009.02.15 - present)

• GCatholic.org
• Catholic Hierarchy
• Diocese website (Portuguese)

11°25′07″S 58°45′20″W / 11.4185°S 58.7556°W / -11.4185; -58.7556