- 北大西洋 Běi Dàxīyáng North Atlantic
- 北大西洋公约组织 Běi Dàxī Yáng Gōngyuē Zǔzhī NATONorth Atlantic Treaty Organization, NATO
- 中大西洋脊 zhōngdàxīyángjǐ Mid-Atlantic Ridgethe mid-Atlantic ridge
- 大西洋中脊 Dàxīyángzhōngjǐ Mid-Atlantic RidgeAtlantic mid-ocean ridge
- 大西洋国 Dàxīyángguó Portugalhistorical name for Portugal during the Qing dynasty
- 大西洋洋中脊 Dàxīyángyángzhōngjǐ Mid-Atlantic RidgeAtlantic mid-ocean ridge