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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Ml7ADqGEn9rAI+AVbijG2mHso5J+AK+OscsvlLqK2bXweLWGeEC388KJG641iBXt
 RlSXNgiTIaAEtoTl+cwQ/Q==

<SEC-DOCUMENT>0000024741-05-000604.txt : 20051019
<SEC-HEADER>0000024741-05-000604.hdr.sgml : 20051019
<ACCEPTANCE-DATETIME>20051019102001
ACCESSION NUMBER:		0000024741-05-000604
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:			ROGUS MARK S
		CENTRAL INDEX KEY:			0001206156

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03247
		FILM NUMBER:		051144376

	MAIL ADDRESS:	
		STREET 1:		ONE RIVERFRONT PLZ
		CITY:			CORNING
		STATE:			NY
		ZIP:			14831
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c0001206156d20051019f4f.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>0001206156</rptOwnerCik>
            <rptOwnerName>ROGUS MARK S</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 Vice Pres. &amp; Treasurer</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>47.88</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>47.88</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4351.5</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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