Mid-Atlantic or Mid Atlantic can refer to:
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The middle of the Atlantic Ocean
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Mid-Atlantic English, any mix between British and American English
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Mid-Atlantic Region (Little League World Series), one of the United States geographic divisions of the Little League World Series
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Mid-Atlantic Ridge, an underwater mountain range in the Atlantic Ocean separating two tectonic plates
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Mid-Atlantic (United States), a geographic region of the United States
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Mid-Atlantic Athletic Conference, an athletic league in the United States
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Mid-Atlantic Championship Wrestling, brand name for wrestling events promoted by Jim Crockett Promotions