<SEC-DOCUMENT>0001225208-24-004451.txt : 20240322
<SEC-HEADER>0001225208-24-004451.hdr.sgml : 20240322
<ACCEPTANCE-DATETIME>20240322163115
ACCESSION NUMBER:		0001225208-24-004451
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240320
FILED AS OF DATE:		20240322
DATE AS OF CHANGE:		20240322

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Chadha Ranjit S
		CENTRAL INDEX KEY:			0001672529
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33045
		FILM NUMBER:		24775723

	MAIL ADDRESS:	
		STREET 1:		C/O DENTSPLY SIRONA INC
		STREET 2:		13320 BALLANTYNE CORPORATE  PLACE
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28277

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ICF International, Inc.
		CENTRAL INDEX KEY:			0001362004
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MANAGEMENT CONSULTING SERVICES [8742]
		ORGANIZATION NAME:           	07 Trade & Services
		IRS NUMBER:				223661438
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1902 RESTON METRO PLAZA
		CITY:			RESTON
		STATE:			VA
		ZIP:			20190
		BUSINESS PHONE:		(703) 934-3000

	MAIL ADDRESS:	
		STREET 1:		1902 RESTON METRO PLAZA
		CITY:			RESTON
		STATE:			VA
		ZIP:			20190
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-03-20</periodOfReport>

    <issuer>
        <issuerCik>0001362004</issuerCik>
        <issuerName>ICF International, Inc.</issuerName>
        <issuerTradingSymbol>ICFI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001672529</rptOwnerCik>
            <rptOwnerName>Chadha Ranjit S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1902 RESTON METRO PLAZA</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>RESTON</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>20190</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>VP &amp; Principal Accounting Off.</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2024-03-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>500.0000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0000</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>500.0000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>500.0000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2024-03-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>409.0000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0000</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>409.0000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>909.0000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.0000</value>
                <footnoteId id="F5"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2024-03-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>117.0000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>144.1400</value>
                    <footnoteId id="F5"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F6"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F6"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>117.0000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>351.0000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each cash-settled restricted stock unit will be settled in cash only, based on the fair value of ICF International's stock price at the vesting date, calculated by multiplying the number of CSRSUs vested by the ICF International closing stock price on the vesting date.</footnote>
        <footnote id="F2">These acquired cash-settled restricted stock units were granted pursuant to ICF International, Inc.'s 2018 Omnibus Incentive Plan, as amended. These restricted stock units vest over a period of three (3) years, at 25% on each of the first two anniversaries of the grant and 50% on the third anniversary from the day of grant.</footnote>
        <footnote id="F3">Each restricted stock unit is the economic equivalent of one share of ICF International, Inc.'s Common Stock.</footnote>
        <footnote id="F4">These acquired restricted stock units were granted pursuant to ICF International, Inc.'s 2018 Omnibus Incentive Plan, as amended. These restricted stock units vest over a period of three (3) years, at 25% on each of the first two anniversaries of the grant and 50% on the third anniversary from the day of grant.</footnote>
        <footnote id="F5">The exercise price for the cash-settled restricted stock unit exercise was $144.14.</footnote>
        <footnote id="F6">Represents the 1st vesting anniversary (25%) of acquired cash-settled restricted stock units granted pursuant to the 2018 Omnibus Plan, as amended.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Matthew Selander, Attorney-in-fact</signatureName>
        <signatureDate>2024-03-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
