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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 KnDQt+eoSBX8LHNmulGyWEwPDDHO3mFshsD59DtF06i/Uy8TKf7WKvdq2BuEveZb
 st2IJkHxPz27q820jrybNg==

<SEC-DOCUMENT>0000024741-05-000612.txt : 20051019
<SEC-HEADER>0000024741-05-000612.hdr.sgml : 20051019
<ACCEPTANCE-DATETIME>20051019102236
ACCESSION NUMBER:		0000024741-05-000612
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20051018
FILED AS OF DATE:		20051019
DATE AS OF CHANGE:		20051019

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CORNING INC /NY
		CENTRAL INDEX KEY:			0000024741
		STANDARD INDUSTRIAL CLASSIFICATION:	DRAWING AND INSULATING NONFERROUS WIRE [3357]
		IRS NUMBER:				160393470
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1228

	BUSINESS ADDRESS:	
		STREET 1:		ONE RIVERFRONT PLAZA
		CITY:			CORNING
		STATE:			NY
		ZIP:			14831
		BUSINESS PHONE:		6079749000

	MAIL ADDRESS:	
		STREET 1:		ONE RIVERFRONT PLAZA
		CITY:			CORNING
		STATE:			NY
		ZIP:			14831

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CORNING GLASS WORKS
		DATE OF NAME CHANGE:	19890512

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ASBECK KATHERINE A
		CENTRAL INDEX KEY:			0001206147

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03247
		FILM NUMBER:		051144398

	MAIL ADDRESS:	
		STREET 1:		ONE RIVERFRONT PLZ
		CITY:			CORNING
		STATE:			NY
		ZIP:			14831
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c0001206147d20051019f4f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-10-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000024741</issuerCik>
        <issuerName>CORNING INC /NY</issuerName>
        <issuerTradingSymbol>GLW</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001206147</rptOwnerCik>
            <rptOwnerName>ASBECK KATHERINE A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE RIVERFRONT PLAZA</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CORNING</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>14831</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Senior VP - Finance</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-10-18</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>55.84</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>18.1</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>55.84</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6304.99</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The reported Phantom Stock Units are acquired on a monthly basis pursuant to the terms of Corning's Supplemental Investment Plan and will be settled for cash at fair market value on or after the reporting person's retirement or other termination of service.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Denise A. Hauselt, Power of Attorney</signatureName>
        <signatureDate>2005-10-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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