The Roman Catholic Diocese of Miracema do Tocantins (Latin: Dioecesis Miracemanus Tocantinensis) is a diocese located in the city of Miracema do Tocantins in the ecclesiastical province of Palmas in Brazil.

• October 11, 1966: Established as Territorial Prelature of Miracema do Norte from the Diocese of Porto Nacional
• August 4, 1981: Promoted as Diocese of Miracema do Norte
• October 14, 1989: Renamed as Diocese of Miracema do Tocantins
• July 10, 2019: Territory modified along with neighbouring Roman Catholic Diocese of Cristalândia
• January 31, 2023: Lost territories to establish the Roman Catholic Diocese of Araguaína

As per 10 July 2019, in time of modification, it pastorally served 153,760 Catholics (68.5% of 224,620 total) on 47,816 km² in 22 parishes with 21 priests (19 diocesan, 2 religious), 10 deacons, 31 lay religious (4 brothers, 27 sisters) and 7 seminarians.^[1]

• Bishops of Miracema do Tocantins (Roman rite), below
  • Bishop Philip Dickmans (2008.05.21 – present)
  • Bishop João José Burke, O.F.M. (1996.02.14 – 2006.03.14)
  • Bishop James Collins, C.Ss.R. (1989.10.04 – 1996.02.14)
• Bishop of Miracema do Norte (Roman Rite), below
  • Bishop James Collins, C.Ss.R. (1981.09.17 – 1989.10.04)
• Prelate of Miracema do Norte (Roman Rite), below
  • Bishop James Collins, C.Ss.R. (1966.10.27 – 1981.09.17)

• João José Burke, O.F.M. (1995-1996)

• GCatholic.org
• Catholic Hierarchy