-----BEGIN PRIVACY-ENHANCED MESSAGE-----
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,
 T6i8HWZ9Mb0BnoswrMQkscVeQVIBFjYymMUqElIK/I5tsfxjZpsJ62gyhfyxPObm
 Z0cC3vf08o+2B4vW0N4LQg==

<SEC-DOCUMENT>0001046337-05-000002.txt : 20050414
<SEC-HEADER>0001046337-05-000002.hdr.sgml : 20050414
<ACCEPTANCE-DATETIME>20050414134603
ACCESSION NUMBER:		0001046337-05-000002
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050404
FILED AS OF DATE:		20050414
DATE AS OF CHANGE:		20050414

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NESTOR INC
		CENTRAL INDEX KEY:			0000720851
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				133163744
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		400 MASSASOIT AVE
		STREET 2:		STE 200
		CITY:			PROVIDENCE
		STATE:			RI
		ZIP:			02914
		BUSINESS PHONE:		4014345522

	MAIL ADDRESS:	
		STREET 1:		400 MASSASOIT AVE
		STREET 2:		STE 200
		CITY:			PROVIDENCE
		STATE:			RI
		ZIP:			02914

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			JOANNIDI HAROLD A
		CENTRAL INDEX KEY:			0001046337
		STANDARD INDUSTRIAL CLASSIFICATION:	AGRICULTURE CHEMICALS [2870]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-12965
		FILM NUMBER:		05750303

	BUSINESS ADDRESS:	
		STREET 1:		10 ALVIN COURT
		STREET 2:		C/O ECOSCIENCE CORP
		CITY:			EAST BRUNSWICK
		STATE:			NJ
		ZIP:			08816
		BUSINESS PHONE:		9084328200

	MAIL ADDRESS:	
		STREET 1:		C/O ECOSCIENCE CORP
		STREET 2:		10 ALVIN COURT
		CITY:			EAST BRUNSWICK
		STATE:			NJ
		ZIP:			08816
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2005-04-04</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000720851</issuerCik>
        <issuerName>NESTOR INC</issuerName>
        <issuerTradingSymbol>NESO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001046337</rptOwnerCik>
            <rptOwnerName>JOANNIDI HAROLD A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O NESTOR, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>400 MASSASOIT AVE, SUITE 200</rptOwnerStreet2>
            <rptOwnerCity>EAST PRDENCEOVI</rptOwnerCity>
            <rptOwnerState>RI</rptOwnerState>
            <rptOwnerZipCode>02914</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Treasurer &amp; CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>/s/ Harold A. Joannidi</signatureName>
        <signatureDate>2005-04-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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