Exhibit 21.1

ALLEGIANCE BANCSHARES, INC. LIST OF SUBSIDIARIES

AS OF MARCH 10, 2021

Direct Subsidiaries	Jurisdiction of Organization	Parent Entity
Allegiance Bank	Texas	Allegiance Bancshares, Inc.
Farmers & Merchants Capital Trust II	Delaware	Allegiance Bancshares, Inc.
Farmers & Merchants Capital Trust III	Delaware	Allegiance Bancshares, Inc.
Indirect Subsidiaries	Jurisdiction of Organization	Parent Entity
ABTX Financial, Inc.	Texas	Allegiance Bank
American Prudential Capital, Inc.	Texas	Allegiance Bank