The Tontemboa of Indonesia

The Tontemboa of Indonesia, numbering approximately 230,000 people, are No Longer Unreached. They are an ethnolinguistic community of Indonesia. They are an Indigenous people, in the Minahasa-Sangir of Sulawesi people cluster of the Malay Peoples affinity bloc. Their primary religion is Christianity - Protestantism. They primarily speak Tontemboan.

Photo by Google. (2026). Image generated by Gemini 2.5 Flash: Tontemboa

Fast Facts:

Affinity Group: Asian Pacific Rim Peoples
Country: Indonesia
People Cluster: Minahasa-Sangir of Sulawesi
Primary Language(s): Tontemboan (tnt)
Primary Religion(s): Christianity - Protestantism
Population: 230,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG022886
View on Joshua Project

Pray for the Tontemboa of Indonesia

Join others around the world in praying for the lost to be saved, the gospel to advance, the global Church to grow, and for laborers to be sent out and sustained in the harvest.

Dig Deeper (Religion):

Primary Religion: Christianity - Protestantism
Religious Affiliation: Christianity

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Dig Deeper (Language):

Primary Language: Tontemboan
Language Family: Austronesian

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Media Resources in Tontemboan:

Films:

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Bible Resources in Tontemboan:

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Or check out the Tontemboan bible resources at Bible.com

Linked from YouVersion

Next steps for the Tontemboa

The Tontemboa are Unengaged and Unreached, which means there are less than 2% evangelical Christian populations among which there are no known efforts focused on establishing self-sustaining churches consistent with evangelical faith and practice.

Begin signifcant prayer and fasting for this group
Send cross-cultural teams to discover and research this people group
Begin gospel seed sowing and church planting among this group

Next steps for the Tontemboa

The Tontemboa are Engaged yet Unreached, which means there are less than 2% evangelical Christian populations but there are sustained efforts at establishing self-sustaining churches consistent with evangelical faith and practice.

Continue prayer and fasting for this group
Continue gospel seed sowing and church planting among this group
Begin training up local leaders to lead and develop strategies to reach their own people

Next steps for the Tontemboa

The Tontemboa are No Longer Unreached, which means there are more than 2% evangelical Christian populations and there are churches consistent with evangelical faith and practice. There is still more to be done among them.

Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting among this group
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Tontemboa of Indonesia

When he saw the crowds, he had compassion for them, because they were harassed and helpless, like sheep without a shepherd.
readMatthew 9:36

Pray that those who have no hope and are in need of a Savior will be comforted by the Good Shepherd, who seeks to gather the lost and weary into His care.

So his fame spread throughout all Syria, and they brought him all the sick, those afflicted with various diseases and pains, those oppressed by demons, those having seizures, and paralytics, and he healed them
readMatthew 4:24

Pray that the truth about the Lord will spread throughout the land so that many will have an opportunity to receive the good news and put their faith in Him.

And God is able to make all grace about to you, so that having sufficiency in all things at all times, you may abound in every good work.
read2 Corinthians 9:8

Pray that as people place their faith in Christ, they will see that God provides for their needs and be content in His provision so that they may excel in every good work.

May God be gracious to us and bless us and make his face to shine upon us, that your way may be known on earth, your saving power among all nations.
readPsalm 67:1-2

Pray that as God blesses believers from among this people group or from nearby cultures, He will raise them up to share His saving power among the nations.

Tontemboa (ROP3 - 110162) reported in the following countries:

To download a comprehensive people group list in spreadsheet form, visit our Research Data page.

Peoplegroups.org relies on updates from the field and other organizations for much of our data, so if you have any updates, please contact us. We use various international naming standards. For a list of these standards and fields, visit our Definitions page.

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