Unity of the Brethren (Latin Unitas Fratrum) may refer to:

• Unity of the Brethren (Czech Republic), the province of the Moravian Church in the Czech Republic
• Unity of the Brethren (Texas), a Protestant church formed in the 1800s by Czech immigrants to Texas
• Unity of the Brethren Baptists, a Baptist denomination in the Czech Republic
• Minor Party (Unity of the Brethren), a Christian group in Bohemia that split from the Unity of the Brethren during the 1490s
• Moravian Church or Unitas Fratrum, a Protestant denomination dating to the Bohemian Reformation of the 15th century

See also

• History of the Moravian Church, the Moravian Church's origin in the early fourteenth century to the beginning of mission work in 1732
• Bohemian Reformation, a Christian movement in the late medieval and early modern Bohemia for reform of the Roman Catholic Church

This disambiguation page lists articles associated with the title Unity of the Brethren.
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