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<edgarSubmission>

    <schemaVersion>X0708</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0000061398</cik>
        <entityName>TELLURIAN INC. /DE/</entityName>
        <issuerAddress>
            <street1>1201 LOUISIANA STREET</street1>
            <street2>SUITE 3100</street2>
            <city>HOUSTON</city>
            <stateOrCountry>TX</stateOrCountry>
            <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
            <zipCode>77002</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>832-962-4000</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <edgarPreviousNameList>
            <previousName>MAGELLAN PETROLEUM CORP /DE/</previousName>
            <previousName>MAGELLAN PETROLEUM CORP PANAMA</previousName>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Charif</firstName>
                <lastName>Souki</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1201 Louisiana Street</street1>
                <street2>Suite 3100</street2>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77002</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Executive Chairman</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Octavio</firstName>
                <middleName>M.C.</middleName>
                <lastName>Simoes</lastName>
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            <relatedPersonAddress>
                <street1>1201 Louisiana Street</street1>
                <street2>Suite 3100</street2>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77002</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>President and Chief Executive Officer</relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Simon</firstName>
                <middleName>G.</middleName>
                <lastName>Oxley</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1201 Louisiana Street</street1>
                <street2>Suite 3100</street2>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77002</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Chief Financial Officer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Daniel</firstName>
                <middleName>A.</middleName>
                <lastName>Belhumeur</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1201 Louisiana Street</street1>
                <street2>Suite 3100</street2>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77002</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>General Counsel</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Khaled</firstName>
                <middleName>A.</middleName>
                <lastName>Sharafeldin</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1201 Louisiana Street</street1>
                <street2>Suite 3100</street2>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77002</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Chief Accounting Officer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Martin</firstName>
                <middleName>J.</middleName>
                <lastName>Houston</lastName>
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            <relatedPersonAddress>
                <street1>1201 Louisiana Street</street1>
                <street2>Suite 3100</street2>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77002</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Vice Chairman</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jean</firstName>
                <middleName>P.</middleName>
                <lastName>Abiteboul</lastName>
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                <street1>1201 Louisiana Street</street1>
                <street2>Suite 3100</street2>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77002</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Diana</firstName>
                <lastName>Derycz-Kessler</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1201 Louisiana Street</street1>
                <street2>Suite 3100</street2>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77002</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
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            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Dillon</firstName>
                <middleName>J.</middleName>
                <lastName>Ferguson</lastName>
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            <relatedPersonAddress>
                <street1>1201 Louisiana Street</street1>
                <street2>Suite 3100</street2>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
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                <zipCode>77002</zipCode>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jonathan</firstName>
                <middleName>S.</middleName>
                <lastName>Gross</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1201 Louisiana Street</street1>
                <street2>Suite 3100</street2>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77002</zipCode>
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                <relationship>Director</relationship>
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            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Brooke</firstName>
                <middleName>A.</middleName>
                <lastName>Peterson</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1201 Louisiana Street</street1>
                <street2>Suite 3100</street2>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77002</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Don</firstName>
                <middleName>A.</middleName>
                <lastName>Turkleson</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1201 Louisiana Street</street1>
                <street2>Suite 3100</street2>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77002</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other Energy</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2023-08-15</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isDebtType>true</isDebtType>
            <isSecurityToBeAcquiredType>true</isSecurityToBeAcquiredType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>299391238</totalOfferingAmount>
            <totalAmountSold>299391238</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse>Reflects total purchase price of $250,000,000 aggregate principal amount of 10.00% senior secured notes due 2025 and $83,334,000 aggregate principal amount of 6.00% senior secured convertible notes due 2025.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>1</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>TELLURIAN INC. /DE/</issuerName>
                <signatureName>/s/ Simon G. Oxley</signatureName>
                <nameOfSigner>Simon G. Oxley</nameOfSigner>
                <signatureTitle>Chief Financial Officer</signatureTitle>
                <signatureDate>2023-08-25</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>