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    <periodOfReport>2020-11-16</periodOfReport>

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    <issuer>
        <issuerCik>0001792044</issuerCik>
        <issuerName>Viatris Inc</issuerName>
        <issuerTradingSymbol>VTRS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001676105</rptOwnerCik>
            <rptOwnerName>MARK RICHARD A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1000 MYLAN BOULEVARD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CANONSBURG</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>15317</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
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            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
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                <value>Restricted Stock Units</value>
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                <value></value>
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                    <value>9440</value>
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                    <value>9440</value>
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    <footnotes>
        <footnote id="F1">On November 16, 2020, Mylan N.V. (&quot;Mylan&quot;) completed the transaction pursuant to which Mylan combined with Pfizer Inc.'s (&quot;Pfizer&quot;) Upjohn business (the &quot;Upjohn Business&quot;) in a Reverse Morris Trust transaction (the &quot;Combination&quot;) and Upjohn Inc. (&quot;Upjohn&quot;) became the parent entity of the combined Upjohn Business and Mylan business and was renamed &quot;Viatris Inc.&quot; (&quot;Viatris&quot;).  Pursuant to the terms of the Business Combination Agreement (as amended), dated July 29, 2019, by and among Mylan, Pfizer, Upjohn and certain other affiliated entities, Upjohn and Mylan effected the Combination through a series of transactions, including that each holder of Mylan ordinary shares received one share of Viatris common stock for each Mylan ordinary share held by such holder (subject to any required withholding tax).</footnote>
        <footnote id="F2">Represents shares of Viatris common stock acquired in connection with the Combination on a one-for-one basis in exchange for ordinary shares of Mylan. On the effective date of the Combination, the closing price of a Mylan ordinary share was $15.85 per share.</footnote>
        <footnote id="F3">Received in exchange for, and having substantially the same terms as, stock options to acquire Mylan ordinary shares in connection with the Combination.</footnote>
        <footnote id="F4">These options vested on March 2, 2020.</footnote>
        <footnote id="F5">These options will vest on March 2, 2021.</footnote>
        <footnote id="F6">Received in exchange for, and having substantially the same terms as, restricted stock units (&quot;RSUs&quot;) of Mylan in connection with the Combination.</footnote>
        <footnote id="F7">Each RSU represents the right to receive one share of common stock of Viatris. The RSUs will vest on March 2, 2021.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Kevin Macikowski, by power of attorney</signatureName>
        <signatureDate>2020-11-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
