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People group profile · PG022886

The Tontemboa of Indonesia

The Tontemboa of Indonesia, numbering about 231,000 people, are No Longer Unreached. They are a highland Minahasan people of North Sulawesi's interior, one of the region's founding sub-groups by tradition descended from the ancestral pair Toar and Lumimuut, whose village confederations once governed before Dutch control began in 1657.

They are an indigenous people in the Minahasa-Sangir of Sulawesi people cluster of the Malay Peoples. Their primary religion is Protestantism, and they primarily speak Tontemboan.

Pray for the TontemboaPrint profile

AI-generated illustration representing the Tontemboa people
AI-generated illustration, not a photograph. Photo by Google. (2026). Image generated by Gemini 2.5 Flash: Tontemboa

Fast facts

Country
Indonesia
Population
231,000
Affinity group
Asian Pacific Rim Peoples
People cluster
Minahasa-Sangir of Sulawesi
Primary language
Tontemboan (tnt)
Primary religion
Protestantism
Strategic Progress Index
No Longer Unreached
Evangelical
10% or Greater but Less than 15%
GSEC
10% or Greater Evangelical
Lostness priority
Moderately Reached People Group
Region
South-Eastern Asia, Asia
Location
North Sulawesi province: Minahasa Selatan regency on Amurang bay inland; Minahasa and Minahasa Tenggara regencies, Lake Tondano southeast strip to coast

Where they live

Gospel status

The Tontemboa 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 Tontemboa

  • 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

Primary language

Tontemboan · Austronesian family

76% speak Tontemboan

Gospel resources in Tontemboan

  • Bible available, published 2018
  • JESUS Film available
  • Radio programs not available
  • Gospel recordings available
  • Audio resources available
  • Bible stories not available

Films

Bibles

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

Pray for the Tontemboa

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

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