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PEOPLE GROUP PROFILE

The San Diu of Vietnam

The San Diu of Vietnam, numbering approximately 146,000 people, are Engaged yet Unreached. They are a people of Vietnam They are an Indigenous people, in the Yao-Mien people cluster of the Southeast Asian Peoples affinity bloc. Their primary religion is Ethnoreligion. They primarily speak Iu Mien.

San Diu in Vietnam photo
Photo courtesy of Joshua Project. Photo Source: Copyrighted ©️ 2025 The Peoples of Vietnam, Asia Harvest Used with permission

Fast Facts:

Affinity Group: Asian Pacific Rim Peoples
Country: Vietnam
People Cluster: Yao-Mien
Primary Language(s): Iu Mien (ium)
Primary Religion(s): Ethnoreligion
Population: 146,000
Strategic Progress Index (SPI): Engaged yet Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, Concentrated CP Activity
People Group ID: PG011218
View on Joshua Project

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Pray for the San Diu of Vietnam

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Dig Deeper (Religion):

Primary Religion: Ethnoreligion
Religious Affiliation: Ethnoreligion

%
Ethnoreligion Adherents

Dig Deeper (Language):

Primary Language: Iu Mien
Language Family: Hmong-Mien

%
Iu Mien Speakers

Media Resources in Iu Mien:

Films:

Provided by the Jesus Film Project

View all resources

Bible Resources in Iu Mien:

Provided by Faith Comes by Hearing

Or check out the Iu Mien bible resources at Bible.com

Linked from YouVersion

View all resources

Next steps for the San Diu

The San Diu 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 San Diu

The San Diu 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 San Diu

The San Diu 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 San Diu of Vietnam

But I say to you, Love your enemies and pray for those who persecute you, so that you may be sons of your Father who is in heaven. For he makes his sun rise on the evil and on the good, and sends rain on the just and on the unjust.
readMatthew 5:44-45

Pray for those who don't know Jesus to encounter believers who are kind and compassionate and that their imitation of Christ will serve as a testimony that attracts lost people to Jesus.

Sing praises to God, sing praises! Sing praises to our King, sing praises!
readPsalm 47:6

Pray that believers will have a heart to invite others to trust in Christ alone so that they might sing praises to His name.

But Jesus called them to him, saying "Let the children come to me, and do not hinder them, for to such belongs the kingdom of God."
readLuke 18:16

Pray that as people place their faith in Christ, they will have a burden to share the hope of Christ with children.

But you will receive power when the Holy Spirit has come upon you, and you will be my witnesses in Jerusalem and in all Judea and Samaria, and to the end of the earth.
readActs 1:8

Pray that God will raise up believers who are willing to cross cultures and boldly share the good news of Jesus with the lost in this people group and from every nation.

San Diu (ROP3 - 108601) 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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