<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0707</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001393857</cik>
        <entityName>IlluminOss Medical Inc</entityName>
        <issuerAddress>
            <street1>993 WATERMAN AVENUE</street1>
            <city>EAST PROVIDENCE</city>
            <stateOrCountry>RI</stateOrCountry>
            <stateOrCountryDescription>RHODE ISLAND</stateOrCountryDescription>
            <zipCode>02914</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>401-714-0008</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Manny</firstName>
                <lastName>Avila</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>993 Waterman Avenue</street1>
                <street2>c/o IlluminOss Medical, Inc.</street2>
                <city>East Providence</city>
                <stateOrCountry>RI</stateOrCountry>
                <stateOrCountryDescription>RHODE ISLAND</stateOrCountryDescription>
                <zipCode>02914</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Daniel</firstName>
                <lastName>Omstead</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>993 Waterman Avenue</street1>
                <street2>c/o IlluminOss Medical, Inc.</street2>
                <city>East Providence</city>
                <stateOrCountry>RI</stateOrCountry>
                <stateOrCountryDescription>RHODE ISLAND</stateOrCountryDescription>
                <zipCode>02914</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Fouad</firstName>
                <lastName>Azzam</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>993 Waterman Avenue</street1>
                <street2>c/o IlluminOss Medical, Inc.</street2>
                <city>East Providence</city>
                <stateOrCountry>RI</stateOrCountry>
                <stateOrCountryDescription>RHODE ISLAND</stateOrCountryDescription>
                <zipCode>02914</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Rajeev</firstName>
                <lastName>Dadoo</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>993 Waterman Avenue</street1>
                <street2>c/o IlluminOss Medical, Inc.</street2>
                <city>East Providence</city>
                <stateOrCountry>RI</stateOrCountry>
                <stateOrCountryDescription>RHODE ISLAND</stateOrCountryDescription>
                <zipCode>02914</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Robert</firstName>
                <lastName>Rabiner</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>993 Waterman Avenue</street1>
                <street2>c/o IlluminOss Medical, Inc.</street2>
                <city>East Providence</city>
                <stateOrCountry>RI</stateOrCountry>
                <stateOrCountryDescription>RHODE ISLAND</stateOrCountryDescription>
                <zipCode>02914</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Biotechnology</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2016-01-22</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>true</isBusinessCombinationTransaction>
            <clarificationOfResponse>The offering covered the purchase of the Company's Series AA Preferred Stock and the exchange of shares of the Company?s Series A Preferred Stock, Series B Preferred Stock and Series C1 Preferred Stock for Junior Non-Voting Preferred Stock.</clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>25000000</totalOfferingAmount>
            <totalAmountSold>4997999</totalAmountSold>
            <totalRemaining>20002001</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>17</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>IlluminOss Medical Inc</issuerName>
                <signatureName>Manny Avilla</signatureName>
                <nameOfSigner>Manny Avilla</nameOfSigner>
                <signatureTitle>President and Chief Executive Officer</signatureTitle>
                <signatureDate>2016-02-05</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
