<SEC-DOCUMENT>0001179110-18-004697.txt : 20180320
<SEC-HEADER>0001179110-18-004697.hdr.sgml : 20180320
<ACCEPTANCE-DATETIME>20180320172309
ACCESSION NUMBER:		0001179110-18-004697
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180317
FILED AS OF DATE:		20180320
DATE AS OF CHANGE:		20180320

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BENINCASA JUSTIN D
		CENTRAL INDEX KEY:			0001218669

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12593
		FILM NUMBER:		18702664

	MAIL ADDRESS:	
		STREET 1:		C/O AMERICAN TOWER CORP
		STREET 2:		116 HUNTINGTON AVE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ATN International, Inc.
		CENTRAL INDEX KEY:			0000879585
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE COMMUNICATIONS (NO RADIO TELEPHONE) [4813]
		IRS NUMBER:				470728886
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		500 CUMMINGS CENTER
		CITY:			BEVERLY
		STATE:			MA
		ZIP:			01915
		BUSINESS PHONE:		9786191300

	MAIL ADDRESS:	
		STREET 1:		500 CUMMINGS CENTER
		CITY:			BEVERLY
		STATE:			MA
		ZIP:			01915

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ATLANTIC TELE NETWORK INC /DE
		DATE OF NAME CHANGE:	19930328
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-03-17</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000879585</issuerCik>
        <issuerName>ATN International, Inc.</issuerName>
        <issuerTradingSymbol>ATNI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001218669</rptOwnerCik>
            <rptOwnerName>BENINCASA JUSTIN D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ATN INTERNATIONAL, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>500 CUMMINGS CENTER</rptOwnerStreet2>
            <rptOwnerCity>BEVERLY</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01915</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CFO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-03-17</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1011</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>60.15</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>56385</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares withheld by the Company for payment of Mr. Benincasa's  tax obligations arising from the vesting of shares of previously granted restricted stock.</footnote>
        <footnote id="F2">Adjusted to reflect amendment of restricted stock grant on March 7, 2018 of 10,000 shares of restricted stock to 10,000 restricted stock units. The securities described are restricted stock units and will vest in four equal installments on each of March 7, 2019, 2020, 2021 and 2022. Upon vesting, Mr. Benincasa will receive a number of shares of common stock equal to the number of restricted stock units that have vested.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Justin D. Benincasa</signatureName>
        <signatureDate>2018-03-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
