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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001071602-09-000004.txt : 20091021
<SEC-HEADER>0001071602-09-000004.hdr.sgml : 20091021
<ACCEPTANCE-DATETIME>20091021103226
ACCESSION NUMBER:		0001071602-09-000004
CONFORMED SUBMISSION TYPE:	D/A
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20091021
DATE AS OF CHANGE:		20091021
EFFECTIVENESS DATE:		20091021

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MIDWEST FIRST FINANCIAL L P IV
		CENTRAL INDEX KEY:			0001071602
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			NE

	FILING VALUES:
		FORM TYPE:		D/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-58246
		FILM NUMBER:		091129414

	BUSINESS ADDRESS:	
		STREET 1:		11904 ARBOR ST., STE. 200
		CITY:			OMAHA
		STATE:			NE
		ZIP:			68144
		BUSINESS PHONE:		4023302274

	MAIL ADDRESS:	
		STREET 1:		11904 ARBOR ST., STE. 200
		CITY:			OMAHA
		STATE:			NE
		ZIP:			68144
</SEC-HEADER>
<DOCUMENT>
<TYPE>D/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0603</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001071602</cik>
        <entityName>MIDWEST FIRST FINANCIAL L P IV</entityName>
        <issuerAddress>
            <street1>11904 ARBOR ST., STE. 200</street1>
            <city>OMAHA</city>
            <stateOrCountry>NE</stateOrCountry>
            <zipCode>68144</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>4023302274</issuerPhoneNumber>
        <jurisdictionOfInc>NEBRASKA</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>William</firstName>
                <middleName>B.</middleName>
                <lastName>Preston</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>11904 Arbor St., Ste. 200</street1>
                <city>Omaha</city>
                <stateOrCountry>NE</stateOrCountry>
                <zipCode>68144</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Thomas</firstName>
                <middleName>C.</middleName>
                <lastName>Smith</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>500 Centre Terrace, P.O. Box 83000</street1>
                <city>Lincoln</city>
                <stateOrCountry>NE</stateOrCountry>
                <zipCode>68501</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Investing</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>$25,000,001 - $100,000,000</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0001071602-09-000003</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2009-10-12</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>Smith Hayes Financial Services Corp.</recipientName>
                <recipientCRDNumber>17059</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>1225 L. St., Ste. 200</street1>
                    <city>Lincoln</city>
                    <stateOrCountry>NE</stateOrCountry>
                    <zipCode>68508</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>CA</state>
                    <state>CO</state>
                    <state>FL</state>
                    <state>IA</state>
                    <state>MN</state>
                    <state>NE</state>
                    <state>NM</state>
                    <state>UT</state>
                    <state>WY</state>
                </statesOfSolicitationList>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>3000000</totalOfferingAmount>
            <totalAmountSold>18359</totalAmountSold>
            <totalRemaining>2981641</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>4</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>60000</dollarAmount>
                <isEstimate>true</isEstimate>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
                <isEstimate>true</isEstimate>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>MIDWEST FIRST FINANCIAL L P IV</issuerName>
                <signatureName>William B. Preston</signatureName>
                <nameOfSigner>William B. Preston</nameOfSigner>
                <signatureTitle>President and General Partner</signatureTitle>
                <signatureDate>2009-10-21</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----