Exhibit 21

Subsidiaries of the Registrant

1. Bank of the Ozarks, an Arkansas state chartered bank.

2. Ozark Capital Statutory Trust II, a Connecticut business trust.

3. Ozark Capital Statutory Trust III, a Delaware business trust.

4. Ozark Capital Statutory Trust IV, a Delaware business trust.

5. Ozark Capital Statutory Trust V, a Delaware business trust.

6. The Highlands Group, Inc., a subsidiary of Bank of the Ozarks.

7. Arlington Park, LLC, a 50% owned subsidiary of The Highlands Group, Inc.