泛非洋(英語:Pan-African Ocean)是個存在於理論中的大型史前海洋,環繞着潘諾西亞大陸。泛非洋可能在羅迪尼亞大陸分裂以前就已經存在。泛非洋在顯生宙開始前就已經消失,當時泛大洋開始擴張,取代泛非洋的原有位置。

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