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Amharic - አማርኛ | Arabic - عربي
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PEOPLE GROUP PROFILE

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 and can also be known as Tay Hat, Odu. 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.

Photo courtesy of Joshua Project. Photo Source: Copyrighted ©️ 2025 Asia Harvest Used with permission

Fast Facts:

Affinity Group: Asian Pacific 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

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Pray for the O-du of Vietnam

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Dig Deeper (Religion):

Primary Religion: Ethnoreligion - Animism
Religious Affiliation: Ethnoreligion

%
Ethnoreligion - Animism Adherents

Dig Deeper (Language):

Primary Language: O’du
Language Family: Austro-Asiatic

%
O’du Speakers

Media Resources in O’du:

Films:

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Bible Resources in O’du:

Provided by Faith Comes by Hearing

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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

Hear, O LORD, and be merciful to me! O LORD, be my helper!
readPsalm 30:10

Pray that people in the depths of despair and suffering and living outside of relationship with Christ will cry out to the Lord and find help, peace, and joy in Him.

The LORD watches over the sojourners; he upholds the widow and the fatherless, but the way of the wicked he brings to ruin.
readPsalm 146:9

Pray for God to watch over people, wherever they are, and cause them to meet believers who will share the gospel with them clearly and lovingly.

What causes quarrels and what causes fights among you? Is it not this, that your passions are at war within you?
readJames 4:1

Pray that as people place their faith in Christ, they will turn from worldly passions and live in unity with one another.

Surely goodness and mercy shall follow me all the days of my life, and I shall dwell in the house of the LORD forever.
readPsalm 23:6

Ask God to raise up believers who will share the hope that, for those who trust in Christ, goodness and love will follow them all the days of their lives, and they will dwell in the house of the Lord forever.

O'Du reported in the following countries (ROP3):

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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