-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 TiHPGfRLBG0LDSnv7kNUsWDBHEbxDiNnOQdeFATyXCpd8aDWptCLfcjc0w94/8fQ
 pCK9b8jcyWaNwnkeFoHl0Q==

<SEC-DOCUMENT>0001252865-08-000069.txt : 20081117
<SEC-HEADER>0001252865-08-000069.hdr.sgml : 20081117
<ACCEPTANCE-DATETIME>20081117184223
ACCESSION NUMBER:		0001252865-08-000069
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20081114
FILED AS OF DATE:		20081117
DATE AS OF CHANGE:		20081117

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			NORTON CHRISTY
		CENTRAL INDEX KEY:			0001252873

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20402
		FILM NUMBER:		081196721

	MAIL ADDRESS:	
		STREET 1:		P O BOX 768
		CITY:			LEBANON
		STATE:			TN
		ZIP:			37088

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WILSON BANK HOLDING CO
		CENTRAL INDEX KEY:			0000885275
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				621497076
		STATE OF INCORPORATION:			TN
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		623 W MAIN STREET
		STREET 2:		P.O. BOX 768
		CITY:			LEBANON
		STATE:			TN
		ZIP:			37087
		BUSINESS PHONE:		6154442265

	MAIL ADDRESS:	
		STREET 1:		623 W MAIN STREET
		STREET 2:		P.O. BOX 768
		CITY:			LEBANON
		STATE:			TN
		ZIP:			37087
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-11-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000885275</issuerCik>
        <issuerName>WILSON BANK HOLDING CO</issuerName>
        <issuerTradingSymbol>none</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001252873</rptOwnerCik>
            <rptOwnerName>NORTON CHRISTY</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>P O BOX 768</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LEBANON</rptOwnerCity>
            <rptOwnerState>TN</rptOwnerState>
            <rptOwnerZipCode>37088</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-11-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>267</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.46</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7869</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Common stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>11.46</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2008-11-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>267</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.46</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2008-09-29</value>
            </exerciseDate>
            <expirationDate>
                <value>2009-09-29</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>267</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7869</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <ownerSignature>
        <signatureName>Christy Norton</signatureName>
        <signatureDate>2008-11-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----