'Amundsen' may refer to:
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Roald Amundsen, the Norwegian polar explorer, or his namesakes:
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Amundsen Glacier, descending from the Queen Maud Mountains to the Ross Ice Shelf.
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Amundsen Sea, a part of the Southern Ocean beside Marie Byrd Land.
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Amundsen Crater, a large crater on the Moon.
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HNoMS ''Roald Amundsen'', a ''Fridtjof Nansen'' class frigate of the Royal Norwegian Navy.
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★ There is also a Norwegian Vodka called Amundsen.
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Amundsen - One of two probes on the
NASA Deep Space 2 mission; named after polar explorer Roald Amundsen.