<SEC-DOCUMENT>0001615619-20-000138.txt : 20201228
<SEC-HEADER>0001615619-20-000138.hdr.sgml : 20201228
<ACCEPTANCE-DATETIME>20201228162640
ACCESSION NUMBER:		0001615619-20-000138
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20201224
FILED AS OF DATE:		20201228
DATE AS OF CHANGE:		20201228

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Temple Chris
		CENTRAL INDEX KEY:			0001464683

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14569
		FILM NUMBER:		201418618

	MAIL ADDRESS:	
		STREET 1:		3953 MAPLE AVENUE
		STREET 2:		SUITE 180
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75219

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PLAINS ALL AMERICAN PIPELINE LP
		CENTRAL INDEX KEY:			0001070423
		STANDARD INDUSTRIAL CLASSIFICATION:	PIPE LINES (NO NATURAL GAS) [4610]
		IRS NUMBER:				760582150
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		333 CLAY STREET
		STREET 2:		SUITE 1600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002
		BUSINESS PHONE:		7136544100

	MAIL ADDRESS:	
		STREET 1:		333 CLAY STREET
		STREET 2:		SUITE 1600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-12-24</periodOfReport>

    <issuer>
        <issuerCik>0001070423</issuerCik>
        <issuerName>PLAINS ALL AMERICAN PIPELINE LP</issuerName>
        <issuerTradingSymbol>PAA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001464683</rptOwnerCik>
            <rptOwnerName>Temple Chris</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>333 CLAY ST.</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1600</rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77002</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Units</value>
            </securityTitle>
            <transactionDate>
                <value>2020-12-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>31250</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>8.79</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The price in column 4 reflects the weighted average price for the common units.  The units were sold in multiple transactions at prices ranging from $8.69 to $8.85.  The reporting person will provide upon request by the SEC staff, the issuer or any security holder of the issuer full information regarding the number of units sold at each separate price.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Ann F. Gullion, as attorney-in-fact for Reporting Person</signatureName>
        <signatureDate>2020-12-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
