-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 UM3I4mLZL9/74SDWfpA6o+KKq8TYZsO4b//WBMnkGBFKFg+O63/4D7DVB+NQEOq7
 u9kTIVDrWS0JfB49t9N2Ow==

<SEC-DOCUMENT>0001068875-09-000017.txt : 20090204
<SEC-HEADER>0001068875-09-000017.hdr.sgml : 20090204
<ACCEPTANCE-DATETIME>20090204203712
ACCESSION NUMBER:		0001068875-09-000017
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090202
FILED AS OF DATE:		20090204
DATE AS OF CHANGE:		20090204

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INFOSPACE INC
		CENTRAL INDEX KEY:			0001068875
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
		IRS NUMBER:				911718107
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		601 108TH AVE NE
		STREET 2:		SUITE 1200
		CITY:			BELLEVUE
		STATE:			WA
		ZIP:			98004
		BUSINESS PHONE:		4258821602

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INFOSPACE COM INC
		DATE OF NAME CHANGE:	19980824

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LANSING WILLIAM J
		CENTRAL INDEX KEY:			0001074500
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-CATALOG & MAIL-ORDER HOUSES [5961]
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			1228

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25131
		FILM NUMBER:		09569784

	BUSINESS ADDRESS:	
		STREET 1:		C/O NET PERCEPTIONS, INC
		STREET 2:		7700 FRANCE AVENUE SOUTH
		CITY:			EDINA
		STATE:			MN
		ZIP:			55435
		BUSINESS PHONE:		6129323100

	MAIL ADDRESS:	
		STREET 1:		NET PERCEPTIONS, INC
		STREET 2:		7700 FRANCE AVENUE SOUTH
		CITY:			EDINA
		STATE:			MN
		ZIP:			55435
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>lan473.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2009-02-02</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001068875</issuerCik>
        <issuerName>INFOSPACE INC</issuerName>
        <issuerTradingSymbol>INSP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001074500</rptOwnerCik>
            <rptOwnerName>LANSING WILLIAM J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>601 108TH AVENUE NE, SUITE 1200</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BELLEVUE</rptOwnerCity>
            <rptOwnerState>WA</rptOwnerState>
            <rptOwnerZipCode>98004</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO and President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>/s/ Lansing, William J.</signatureName>
        <signatureDate>2009-02-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----