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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,
 QIKqv3oqveaw3yjQZfvxKKtsmGjKrtVzBbUgm4V1vbNk72kO4fSzdbMwrroaNxhF
 FstPkWljaiDXOJd+YNmttA==

<SEC-DOCUMENT>0000895415-06-000001.txt : 20060110
<SEC-HEADER>0000895415-06-000001.hdr.sgml : 20060110
<ACCEPTANCE-DATETIME>20060110160201
ACCESSION NUMBER:		0000895415-06-000001
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060110
FILED AS OF DATE:		20060110
DATE AS OF CHANGE:		20060110

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WALSH LEO M JR
		CENTRAL INDEX KEY:			0001242547

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-07386
		FILM NUMBER:		06522445

	BUSINESS ADDRESS:	
		STREET 1:		HYPERION CAPITAL MANAGEMENT INC
		STREET 2:		165 BROADWAY
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10006
		BUSINESS PHONE:		2125498400

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HYPERION 2005 INVESTMENT GRADE OPPORTUNITY TERM TRUST INC
		CENTRAL INDEX KEY:			0000895415
		IRS NUMBER:				521806085
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE LIBERTY PLAZA
		STREET 2:		165 BROADWAY, 36TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10006-1404
		BUSINESS PHONE:		212-549-8400

	MAIL ADDRESS:	
		STREET 1:		ONE LIBERTY PLAZA
		STREET 2:		165 BROADWAY, 36TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10006-1404
</SEC-HEADER>
<DOCUMENT>
<TYPE>5
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>5</documentType>

    <periodOfReport>2006-01-10</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <form3HoldingsReported>0</form3HoldingsReported>

    <form4TransactionsReported>0</form4TransactionsReported>

    <issuer>
        <issuerCik>0000895415</issuerCik>
        <issuerName>HYPERION 2005 INVESTMENT GRADE OPPORTUNITY TERM TRUST INC</issuerName>
        <issuerTradingSymbol>hto</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001242547</rptOwnerCik>
            <rptOwnerName>WALSH LEO M JR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O HYPERION CAPITAL MANAGEMENT, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>ONE LIBERTY PLAZA, 165 BROADWAY, 36TH FL</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10006-1404</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <remarks>The director passed away in April 2005</remarks>

    <ownerSignature>
        <signatureName>Leo M. Walsh, Jr.</signatureName>
        <signatureDate>2006-01-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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