EXHIBIT 21

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Parent	​	​	​	​
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Southern Missouri Bancorp, Inc.	​	​	​	​
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Subsidiaries (a)		Percentage of Ownership		Jurisdiction or State of Incorporation
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Southern Bank	​	100%	​	Missouri
SMS Financial Services, Inc.(b)	​	100%	​	Missouri
SB Corning, LLC(c)	​	100%	​	Missouri
SB Real Estate Investment, LLC(c)	​	100%	​	Missouri
Southern Bank Real Estate Investments, LLC(d)	​	100%	​	Missouri
Southern Insurance Services, LLC(e)	​	100%	​	Missouri

(a)   The operation of the Company's wholly owned subsidiaries are included in the Company's Financial Statements contained in Item 7 hereof.

(b)   Wholly owned subsidiary of Southern Bank; subsidiary is inactive.

(c)   Wholly owned active subsidiary of Southern Bank.

(d)   Wholly owned active subsidiary of SB Real Estate Investments, LLC.

(e)   Wholly owned active subsidiary of Southern Bank.