-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 WhNKmVf7a9YX4lM3L5lKNmIcNclP9F/UofVc3EDHbXSCyDa1v7SazEpL1Qw3V8ZM
 zfnrdIPweMpvPe8ZGT5zBg==

<SEC-DOCUMENT>0001085037-05-000813.txt : 20050611
<SEC-HEADER>0001085037-05-000813.hdr.sgml : 20050611
<ACCEPTANCE-DATETIME>20050606135109
ACCESSION NUMBER:		0001085037-05-000813
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050531
FILED AS OF DATE:		20050606
DATE AS OF CHANGE:		20050606

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HEARTLAND OIL & GAS CORP
		CENTRAL INDEX KEY:			0001075636
		STANDARD INDUSTRIAL CLASSIFICATION:	BITUMINOUS COAL & LIGNITE SURFACE MINING [1221]
		IRS NUMBER:				911918326
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		SUITE 1500
		STREET 2:		885 WEST GEORGIA STREET
		CITY:			VANCOUVER
		STATE:			A1
		ZIP:			V6C 3E8
		BUSINESS PHONE:		604.693.0177

	MAIL ADDRESS:	
		STREET 1:		SUITE 1500
		STREET 2:		885 WEST GEORGIA STREET
		CITY:			VANCOUVER
		STATE:			A1
		ZIP:			V6C 3E8

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HEARTLAND OIL & GAS LTD
		DATE OF NAME CHANGE:	20030226

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ADRIATIC HOLDINGS LTD
		DATE OF NAME CHANGE:	19981221

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Martin John
		CENTRAL INDEX KEY:			0001304111

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-32669
		FILM NUMBER:		05880068

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		41-22-738-0020

	MAIL ADDRESS:	
		STREET 1:		2, RUE THALBERG
		CITY:			GENEVA
		STATE:			V8
		ZIP:			1201
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>f4martin060205_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-05-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001075636</issuerCik>
        <issuerName>HEARTLAND OIL &amp; GAS CORP</issuerName>
        <issuerTradingSymbol>HOGC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001304111</rptOwnerCik>
            <rptOwnerName>Martin John</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2, RUE THALBERG</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>GENEVA</rptOwnerCity>
            <rptOwnerState>V8</rptOwnerState>
            <rptOwnerZipCode>1201</rptOwnerZipCode>
            <rptOwnerStateDescription>SWITZERLAND</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>common shares</value>
            </securityTitle>
            <transactionDate>
                <value>2005-05-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.385</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ John Martin</signatureName>
        <signatureDate>2005-06-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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