Weddell Plain (65°0′S 20°0′W / 65.000°S 20.000°W / -65.000; -20.000) is an undersea abyssal plain named in association with the Weddell Sea. Name approved 6/87 (ACUF 225).

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65°0′S 20°0′W / 65.000°S 20.000°W / -65.000; -20.000   This article incorporates public domain material from "Weddell Plain". Geographic Names Information System. United States Geological Survey.