<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-06-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001494582</issuerCik>
        <issuerName>BOSTON OMAHA Corp</issuerName>
        <issuerTradingSymbol>BOMN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001527265</rptOwnerCik>
            <rptOwnerName>Boulderado Group, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>304 NEWBURY STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 333</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02115</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle></officerTitle>
            <otherText>Manager is Director and Co-CEO</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001475272</rptOwnerCik>
            <rptOwnerName>Boulderado Partners, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>292 NEWBURY STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 333</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02115</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001689124</rptOwnerCik>
            <rptOwnerName>Boulderado Capital, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>292 NEWBURY STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02115</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001689425</rptOwnerCik>
            <rptOwnerName>Rozek Alexander Buffett</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>292 NEWBURY ST #333</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02115</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Co-Chief Executive Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A common stock, par value $0.001 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2019-01-15</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>21875</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>16.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1376203</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This total includes 796,429 shares of Class A common stock, 527,780 shares of Class B common stock and 51,994 Class B warrants. The Class B warrants can be exercised for Class B common stock, and all Class B common stock is convertible into shares of Class A common stock on a one-to-one basis under certain circumstances. Boulderado Partners, LLC (&quot;BP&quot;) may be deemed the beneficial owner of 1,094,925 shares of Common Stock that it holds. Alex B. Rozek may be deemed the beneficial owner of 281,278 shares of Common Stock held for a trust of which Mr. Rozek is the trustee and over which he has voting power (the &quot;Trust&quot;).</footnote>
        <footnote id="F2">Boulderado Capital, LLC (&quot;BC&quot;), Boulderado Group, LLC (&quot;BG&quot;) and Mr. Rozek disclaim beneficial ownership except to the extent of their respective pecuniary interests therein, and this report shall not be deemed an admission of beneficial ownership of these securities for Section 16 or for any other purposes.</footnote>
        <footnote id="F3">Mr. Rozek serves as a director of the Issuer, and as the co-chief executive officer of the Issuer.</footnote>
        <footnote id="F4">The reported shares are directly owned by BP and the Trust. BC is the managing member of BP. BG is the investment manager of BP. Alex B. Rozek is the managing member of BC and BG. BC, BG and Mr. Rozek may each exercise voting and dispositive power over the Common Stock held by BP and the Trust, and, as a result, may be deemed to be indirect beneficial owners of shares of Common Stock held by BP and the Trust.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Alexander B. Rozek on behalf of Boulderado Capital, LLC as its managing member</signatureName>
        <signatureDate>2020-06-03</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Alexander B. Rozek</signatureName>
        <signatureDate>2020-06-03</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Alexander B. Rozek on behalf of Boulderado Partners, LLC, as Managing Member of Boulderado Capital, LLC, its managing member</signatureName>
        <signatureDate>2020-06-03</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Alexander B. Rozek on behalf of Boulderado Group, LLC, as its managing member</signatureName>
        <signatureDate>2020-06-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
