<SEC-DOCUMENT>0001127602-20-013635.txt : 20200413
<SEC-HEADER>0001127602-20-013635.hdr.sgml : 20200413
<ACCEPTANCE-DATETIME>20200413163223
ACCESSION NUMBER:		0001127602-20-013635
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200409
FILED AS OF DATE:		20200413
DATE AS OF CHANGE:		20200413

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SUBOTNICK STUART
		CENTRAL INDEX KEY:			0001052438

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09610
		FILM NUMBER:		20789063

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CARNIVAL CORP
		CENTRAL INDEX KEY:			0000815097
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER TRANSPORTATION [4400]
		IRS NUMBER:				591562976
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1130

	BUSINESS ADDRESS:	
		STREET 1:		3655 N W 87TH AVE
		STREET 2:		PO BOX 1347
		CITY:			MIAMI
		STATE:			FL
		ZIP:			33178-2428
		BUSINESS PHONE:		3055992600

	MAIL ADDRESS:	
		STREET 1:		3655 N W 87TH AVE
		STREET 2:		PO BOX 1347
		CITY:			MIAMI
		STATE:			FL
		ZIP:			33178

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CARNIVAL CRUISE LINES INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-04-09</periodOfReport>

    <issuer>
        <issuerCik>0000815097</issuerCik>
        <issuerName>CARNIVAL CORP</issuerName>
        <issuerTradingSymbol>CCL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001052438</rptOwnerCik>
            <rptOwnerName>SUBOTNICK STUART</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O METROMEDIA COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>810 7TH AVENUE, 29TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10019</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-04-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>14090</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>64248.2727</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-04-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F3"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2818</value>
                    <footnoteId id="F4"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>12.42</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>67066.2727</value>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Issued pursuant to the Carnival Corporation 2020 Stock Plan. The restriction on the shares lapses on the third anniversary of the grant date.</footnote>
        <footnote id="F2">The Board of Directors approved a value of $175,000 to be awarded to the reporting person in the form of restricted shares. The number of shares was determined by dividing this value by the closing price of a share of Carnival Corporation common stock on April 9, 2020, then rounding down to the nearest whole share.</footnote>
        <footnote id="F3">The grant, which reflects the reporting person voluntarily deferring their Board of Director retainer and committee fees for April to June 2020 in the form of restricted shares as described in FN4, was approved by the Compensation Committee. The number of shares was determined by dividing the deferred retainer and committees fees by the closing price of a share of Carnival Corporation common stock on April 9, 2020, then rounding down to the nearest whole share.</footnote>
        <footnote id="F4">Issued pursuant to the Carnival Corporation 2020 Stock Plan. The restriction on the shares lapses on February 12, 2021.</footnote>
        <footnote id="F5">Includes shares acquired pursuant to the dividend reinvestment feature of the reporting person's brokerage account.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Stuart Subotnick</signatureName>
        <signatureDate>2020-04-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
