The O-du of Vietnam

The O-du of Vietnam, numbering approximately 375 people, are No Longer Unreached. They are an ethnolinguistic community of Vietnam They are an Indigenous people, in the Mon-Khmer people cluster of the Southeast Asian Peoples affinity bloc. Their primary religion is Ethnoreligion - Animism. They primarily speak O’du.

O-du in Vietnam photo
Photo by Google. (2026). Image generated by Gemini 2.5 Flash: O-du

Fast Facts:

Affinity Group: Asian Pacific Rim Peoples
Country: Vietnam
People Cluster: Mon-Khmer
Primary Language(s): O’du (tyh)
Primary Religion(s): Ethnoreligion - Animism
Population: 375
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG020927
View on Joshua Project

Pray for the O-du 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: Ethnoreligion - Animism
Religious Affiliation: Ethnoreligion

%
Ethnoreligion - Animism Adherents

Dig Deeper (Language):

Primary Language: O’du
Language Family: Austroasiatic

%
O’du Speakers

Media Resources in O’du:

Films:

No entries found for: O’du(tyh). Help build some!

Bible Resources in O’du:

Or check out the O’du bible resources at Bible.com

Linked from YouVersion

Next steps for the O-du

The O-du 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 O-du

The O-du 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 O-du

The O-du 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 O-du of Vietnam

Have mercy on me, O God, according to your steadfast love; according to your abundant mercy blot out my transgressions.
readPsalm 51:1

Give thanks to God that He is able to forgive all the sins people might commit, and pray that many who don't yet know this will hear the good news and turn to Him for mercy.

The Lord is not slow to fulfill his promise as some count slowness, but is patient toward you, not wishing that any should perish, but that all should reach repentance.
read2 Peter 3:9

Pray that the lost will not perish but come to repentance and that God's patience and long-suffering will lead them to salvation.

And day by day, attending the temple together and breaking bread in their homes, they received their food with glad and generous hearts, praising God and having favor with all the people. And the Lord added to their number day by day those who were being saved.
readActs 2:46-47

Pray that as people place their faith in Christ, they will be devoted to the teaching of God's Word, to fellowship with one another, and to prayer.

Now when they heard of the resurrection of the dead, some mocked. But others said, “We will hear you again about this.”
readActs 17:32

Ask God to give those He sends to cross cultures wisdom and discernment as they engage in spiritual conversations with those who are curious about the gospel.

O'Du (ROP3 - 107591) 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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