-----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,
 JeJxHkQmI7Lrt5BKZEzeji1MS9Gx6UWLGLYZL0bjDHylaKt4e5bkHb2emPcExvq9
 ZS9qianaUIhnW/MgkJe3MQ==

<SEC-DOCUMENT>0001140361-04-000131.txt : 20040105
<SEC-HEADER>0001140361-04-000131.hdr.sgml : 20040105
<ACCEPTANCE-DATETIME>20040105170922
ACCESSION NUMBER:		0001140361-04-000131
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040102
FILED AS OF DATE:		20040105

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			EISEN PAUL
		CENTRAL INDEX KEY:			0001272012

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15317
		FILM NUMBER:		04506077

	BUSINESS ADDRESS:	
		STREET 1:		69 CARINDA DRIVE
		CITY:			GLENHAVEN
		STATE:			A1
		ZIP:			00000

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RESMED INC
		CENTRAL INDEX KEY:			0000943819
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				980152841
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		14040 DANIELSON ST
		CITY:			POWAY
		STATE:			CA
		ZIP:			920646857
		BUSINESS PHONE:		8587462400

	MAIL ADDRESS:	
		STREET 1:		14040 DANIELSON ST
		CITY:			POWAY
		STATE:			CA
		ZIP:			920646857
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>3</documentType>
<periodOfReport>2004-01-02</periodOfReport>
    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000943819</issuerCik>
        <issuerName>RESMED INC</issuerName>
        <issuerTradingSymbol>RMD</issuerTradingSymbol>
</issuer>
<reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001272012</rptOwnerCik>
            <rptOwnerName>EISEN PAUL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>69 CARINDA DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>GLENHAVEN, NSW</rptOwnerCity>
            <rptOwnerState>C3</rptOwnerState>
            <rptOwnerZipCode>2156</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector>
<isOfficer>1</isOfficer>
<isTenPercentOwner>0</isTenPercentOwner>
<isOther>0</isOther>
<officerTitle>Vice President, Europe &amp; Asia</officerTitle>
<otherText></otherText>
</reportingOwnerRelationship>
</reportingOwner>
<nonDerivativeTable>
<nonDerivativeHolding>
<securityTitle>
<value>ResMed Common Stock</value>
</securityTitle>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>350</value>
<footnoteId id="F1"/>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>I</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value>Spouse</value>
</natureOfOwnership>
</ownershipNature>
</nonDerivativeHolding>
</nonDerivativeTable>
<derivativeTable>
<derivativeHolding>
<securityTitle>
<value>ResMed Options</value>
</securityTitle>
<conversionOrExercisePrice>
<value>25.42</value>
</conversionOrExercisePrice>
<exerciseDate>
<footnoteId id="F2"/>
</exerciseDate>
<expirationDate>
<value>2010-07-11</value>
</expirationDate>
<underlyingSecurity>
<underlyingSecurityTitle>
<value>ResMed Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares>
<value>6000</value>
</underlyingSecurityShares>
</underlyingSecurity>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value></value>
</natureOfOwnership>
</ownershipNature>
</derivativeHolding>
<derivativeHolding>
<securityTitle>
<value>ResMed Options</value>
</securityTitle>
<conversionOrExercisePrice>
<value>41.49</value>
</conversionOrExercisePrice>
<exerciseDate>
<footnoteId id="F2"/>
</exerciseDate>
<expirationDate>
<value>2013-12-18</value>
</expirationDate>
<underlyingSecurity>
<underlyingSecurityTitle>
<value>ResMed Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares>
<value>15000</value>
</underlyingSecurityShares>
</underlyingSecurity>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value></value>
</natureOfOwnership>
</ownershipNature>
</derivativeHolding>
</derivativeTable>
<footnotes>
<footnote id="F1">Ownership is held in the form of 3500 CDI&#039;s purchased on the Australian Stock Exchange, which is 350 shares of RMD on the NYSE</footnote>
<footnote id="F2">Shares vest 1/3 each year with the first 1/3 vesting 1 year after date of grant.</footnote>
</footnotes>
<remarks></remarks>
<ownerSignature>
<signatureName>Paul Eisen</signatureName>
<signatureDate>2004-01-05</signatureDate>
</ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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