The Rengao of Vietnam

The Rengao of Vietnam, numbering approximately 21,000 people, are Unengaged and Unreached. They are described as an ethnolinguistic community of Vietnam They are an Indigenous people, with Rengao as their ethnic/kinship group and are in the Mon-Khmer people cluster of the Southeast Asian Peoples. Their primary religion is Animism. They primarily speak Rengao.

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

Fast Facts:

Affinity Group: Southeast Asian Peoples
Country: Vietnam
People Cluster: Mon-Khmer
Primary Language(s): Rengao (ren)
Primary Religion(s): Animism
Population: 21,000
Strategic Progress Index (SPI): Unengaged and Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Active CP Activity
People Group ID: PG011210
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Pray for the Rengao of Vietnam

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: Animism
Religious Affiliation: Ethnoreligion

75%
%
Animism Adherents

Dig Deeper (Language):

Primary Language: Rengao
Language Family: Austroasiatic

76%
%
Rengao Speakers

Media Resources in Rengao:

Films:

No entries found for: Rengao(ren). Help build some!

Bible Resources in Rengao:

Or check out the Rengao bible at Bible.com

Linked from YouVersion

Explore Lostness and Next Steps

Unengaged and Unreached

Strategic Priority Index (SPI): Unengaged and Unreached (SPI: 0), 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.
Lostness Priority Index (LPI): Expanding Unreached People Group, (LPI: 2), 0.5% to 2% Evangelical.
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Active CP Activity (GSEC: 1), this people group is less than 2% evangelical, some evangelical resources are available, but there has been no active church planting among them within the past two years

Next steps for the Rengao:
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

SPI: Unreached yet Engaged

The Rengao 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.

Next steps for the Rengao:
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

SPI: No longer Unreached

The Rengao 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.

Next steps for the Rengao:
Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Rengao of Vietnam

How then will they call on him in whom they have not believed? And how are they to believe in him of whom they have never heard? And how are they to hear without someone preaching?
readRomans 10:14

Pray that those who haven't heard will hear the Word of Christ and believe in Him, calling upon the name of the Lord to be saved.

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.

For the LORD, the Most High, is to be feared, a great king over all the earth.
readPsalm 47:2

Pray that as people place their faith in Christ, they will exalt the Lord, recognizing His reign over the nations and His sovereignty over all things.

For the wages of sin is death, but the free gift of God is eternal life in Christ Jesus our Lord.
readRomans 6:23

Pray that God will bring people to faith who are excited about the eternal life they have in Christ and will want to cross cultures to share this hope with others.

Rengao Across Countries (ROP3 - 108355) reported in the following countries:

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

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