Johnson Reef may refer to a number of maritime features in the Union Bank / Union Reefs of the Spratly Islands:

  • Johnson North Reef, also known as North Johnson Reef, Collins Reef and other names
  • Johnson South Reef, aka South Johnson Reef, Chìguā Jiāo, Đá Gạc Ma, Chigua Reef, Gạc Ma Reef and Mabini reef

See also

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