<SEC-DOCUMENT>0001628280-24-010766.txt : 20240313
<SEC-HEADER>0001628280-24-010766.hdr.sgml : 20240313
<ACCEPTANCE-DATETIME>20240313060439
ACCESSION NUMBER:		0001628280-24-010766
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240308
FILED AS OF DATE:		20240313
DATE AS OF CHANGE:		20240313

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MONAHAN THOMAS L
		CENTRAL INDEX KEY:			0001208408
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25837
		FILM NUMBER:		24744504

	MAIL ADDRESS:	
		STREET 1:		2000 PENNSYLVANIA AVE NW
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20006

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HEIDRICK & STRUGGLES INTERNATIONAL INC
		CENTRAL INDEX KEY:			0001066605
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-EMPLOYMENT AGENCIES [7361]
		ORGANIZATION NAME:           	07 Trade & Services
		IRS NUMBER:				362681268
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		233 S WACKER DRIVE
		STREET 2:		SUITE 4900
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606-6303
		BUSINESS PHONE:		3124961200

	MAIL ADDRESS:	
		STREET 1:		233 S WACKER DRIVE
		STREET 2:		SUITE 4900
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1710324272.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-03-08</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001066605</issuerCik>
        <issuerName>HEIDRICK &amp; STRUGGLES INTERNATIONAL INC</issuerName>
        <issuerTradingSymbol>HSII</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001208408</rptOwnerCik>
            <rptOwnerName>MONAHAN THOMAS L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O HEIDRICK &amp; STRUGGLES INT'L, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>233 S. WACKER DR. SUITE 4900</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60606</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-03-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>30184</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>30184</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-03-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>97150</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>127334</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents Restricted Stock Units, each representing a contingent right to receive one share of the Issuer's Common Stock under the Fourth Amended and Restated 2012 Heidrick &amp; Struggles GlobalShare Program. The Restricted Stock Units are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.</footnote>
        <footnote id="F2">Represents Performance Stock Units, each representing a contingent right to receive one share of the Issuer's Common Stock under the Fourth Amended and Restated 2012 Heidrick &amp; Struggles GlobalShare Program. The Performance Stock Units will be earned in equal 25% increments upon the attainment of certain prescribed stock price hurdles, and will vest in equal annual installments on each of the first four anniversaries of the grant date, subject to Mr. Monahan's continuous employment with the Issuer or an affiliate through such vesting date and the achievement of the applicable stock price hurdle for that year.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Antony Gabriel, Attorney-In-Fact</signatureName>
        <signatureDate>2024-03-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
