'''Samsung Galaxy Z Fold 3''' (digayakan sebagai '''Samsung Galaxy Z Fold3''') adalah ponsel cerdas lipat yang merupakan bagian dari [[seri Samsung Galaxy Z]] dan dirilis oleh Samsung Electronics pada 11 Agustus 2021 dalam acara ''Samsung Unpacked''.<ref>{{Cite web|last=Clark|first=Mitchell|date=2021-08-11|title=The 5 biggest announcements from Samsung’s August Unpacked event|url=https://www.theverge.com/2021/8/11/22617405/samsung-galaxy-unpacked-biggest-announcements-z-flip-z-fold-3-watch-buds-note|website=[[The Verge]]|language=en |archive-url=https://web.archive.org/web/20210811154655/https://www.theverge.com/2021/8/11/22617405/samsung-galaxy-unpacked-biggest-announcements-z-flip-z-fold-3-watch-buds-note |archive-date=2021-08-11 |url-status=live}}</ref><ref>{{Cite web|date=2021-08-11|title=Galaxy Z Fold 3, Z Flip 3 edge foldables closer to mainstream|url=https://www.cnet.com/tech/mobile/galaxy-z-fold-3-z-flip-3-edge-foldables-closer-to-mainstream/|url-status=live|access-date=2021-08-11|website=CNET}}</ref> Ponsel ini merupakan penerus [[Samsung Galaxy Z Fold 2]].
Samsung akan menonaktifkan kamera jika pengguna mencoba meningkatkan versi perangkat lunak sistem dengan salah satu pilihannya.<ref>[https://www.xda-developers.com/samsung-galaxy-z-fold-3-unlock-bootloader-broken-camera/ Samsung kills the cameras on the Galaxy Z Fold 3 if you unlock the bootloader]</ref>