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People group profile · PG023028

The Riantana of Indonesia

The Riantana of Indonesia, numbering about 2,200 people, are No Longer Unreached. They are an indigenous Papuan ethnolinguistic community of Yos Sudarso (Kimaam) Island in South Papua, Indonesia, speaking the Riantana language, a member of the Kolopom language family.

They are an indigenous people in the New Guinea people cluster of the Pacific Islander Peoples. Their primary religion is Protestantism, and they primarily speak Riantana.

Pray for the RiantanaPrint profile

AI-generated illustration representing the Riantana people
AI-generated illustration, not a photograph. Photo by Google. (2026). Image generated by Gemini 3.1 Flash Lite: Riantana

Fast facts

Country
Indonesia
Population
2,200
Affinity group
Asian Pacific Rim Peoples
People cluster
New Guinea
Primary language
Riantana (ran)
Primary religion
Protestantism
Strategic Progress Index ?
No Longer Unreached
Evangelical
50% or Greater but Less than 75%
GSEC ?
10% or Greater Evangelical
Lostness priority ?
Significantly Reached People Group
Region
South-Eastern Asia, Asia
Location
Papua province: Kolopom island

Where they live

Gospel status

The Riantana are No Longer Unreached, which means 2% or more are evangelical Christians. In GSEC terms, this people group is greater than or equal to 10% evangelical.

  • Congregations exist Yes
  • Church planting in the last two years No Churches Planted

Next steps for the Riantana

  • Pray for the churches among this group to grow in faithfulness and maturity
  • Equip believers to reach the unreached peoples around them
  • Send out laborers from this people to the nations

Primary religion

Protestantism · Christianity

53% adherents

Primary language

Riantana · Kolopom family

76% speak Riantana

Gospel resources in Riantana

  • Bible not available
  • JESUS Film not available
  • Radio programs not available
  • Gospel recordings not available
  • Audio resources not available
  • Bible stories not available

Find more at the JESUS Film Project, Bible.com and Faith Comes by Hearing.

Pray for the Riantana

  1. Matthew 9:37–38. Ask the Lord of the harvest to send out laborers into his harvest field.
  2. 2 Timothy 2:2. Pray for faithful local leaders who will teach others, so that the church multiplies.
  3. Ephesians 5:8. Pray that those walking in darkness will turn to the light and live as children of light.
  4. Romans 10:14–15. Ask God to send messengers, so that people can hear, believe and call on the name of the Lord.

Download a prayer guide

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