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People group profile · PG011218

The San Diu of Vietnam

The San Diu of Vietnam, numbering about 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. Their primary religion is Ethnoreligion, and they primarily speak Iu Mien.

Pray for the San DiuPrint profile

AI-generated illustration representing the San Diu people
AI-generated illustration, not a photograph. Photo by Google. (2026). Image generated by Gemini 2.5 Flash: San Diu

Fast facts

Country
Vietnam
Population
146,000
Affinity group
Asian Pacific Rim Peoples
People cluster
Yao-Mien
Primary language
Iu Mien (ium)
Primary religion
Ethnoreligion
Strategic Progress Index
Engaged yet Unreached
Evangelical
Less than 2%
GSEC
Less than 2% Evangelical, Concentrated CP Activity
Lostness priority
Pioneer Unreached People Group
Region
South-Eastern Asia, Asia

Where they live

Gospel status

The San Diu are Engaged yet Unreached, which means fewer than 2% are evangelical Christians, but there are sustained efforts to establish self-sustaining churches consistent with evangelical faith and practice. In GSEC terms, this people group is less than 2% evangelical but there has been initial or concentrated church planting among them within the past two years.

  • Congregations exist Yes
  • Church planting in the last two years Concentrated Church Planting

Next steps for the San Diu

  • 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

Primary religion

Ethnoreligion

99% adherents

Primary language

Iu Mien · Hmong-Mien family

100% speak Iu Mien

Gospel resources in Iu Mien

  • Bible available
  • JESUS Film available
  • Radio programs not available
  • Gospel recordings available
  • Audio resources available
  • Bible stories not available

Films

Bibles

Find more at the JESUS Film Project, Bible.com and Faith Comes by Hearing.

Pray for the San Diu

  1. Romans 10:14–15. Ask God to send messengers, so that people can hear, believe and call on the name of the Lord.
  2. Matthew 9:37–38. Ask the Lord of the harvest to send out laborers into his harvest field.
  3. 2 Timothy 2:2. Pray for faithful local leaders who will teach others, so that the church multiplies.
  4. Ephesians 5:8. Pray that those walking in darkness will turn to the light and live as children of light.

Download a prayer guide

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