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 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): 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: 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

The heavens declare the glory of God, and the sky above proclaims his handiwork.
readPsalm 19:1

Pray that those who are lost will look to the heavens and see the glory of God displayed, leading them to seek Him and know Him as their Creator and Savior.

Children, obey your parents in the Lord, for this is right. “Honor your father and mother” (this is the first commandment with a promise).
readEphesians 6:1-2

Pray that God will bring young men and women to faith in Jesus and that the fruit of their faith will be a powerful testimony as they honor their parents.

Therefore do not throw away your confidence, which has a great reward.
readHebrews 10:35

Pray that as people place their faith in Christ, they will hold unswervingly to their faith and to their confidence in Christ, which has a great reward.

Go therefore and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit, teaching them to observe all that I have commanded you. And behold, I am with you always, to the end of the age.”
readMatthew 28:19-20

Ask God to bring people among this group to faith in Jesus who will be obedient to make disciples of all nations, baptizing them and teaching them to obey all that Christ has commanded.

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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