Short answer: Not legally, in most cases.
Detailed explanation: The Shell font family is a proprietary corporate typeface, commissioned by Shell plc (the global energy company). It is not an open-source font and is typically not available for free public download from official sources. Unauthorized distribution violates the font’s copyright and license agreements. Shell Medium Font Free Download
Only if the font carries an Open Font License (OFL) or explicit commercial-use permission. Most "free" personal-use fonts cannot be used in logos or product packaging. When in doubt, choose an alternative like Montserrat or Inter, which are fully commercial-safe. Short answer: Not legally, in most cases
DaFont hosts thousands of user-uploaded fonts. Search "Shell" directly. You may find fan-made recreations labeled "Shell Medium Personal Use Only." Read the license file carefully—most are not commercial-use free. When in doubt, choose an alternative like Montserrat
As of the latest updates, "Shell" may not be a native Google Font. However, you can find identical clones. If you need the exact Shell Medium look, try searching for "Work Sans Medium" or "Inter Medium" on Google Fonts—these are open-source and legally free.