Na

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NA, N.A., Na, nA or n/a may refer to:

Chemistry and physics[edit]

Biology and medicine[edit]

Places[edit]

Current[edit]

Historical[edit]

  • Netherlands Antilles (former international vehicle registration code: NA)
  • Na (Chinese state), a small state of the Chinese Zhou dynasty from the 11th to 8th centuries BC
  • Nakoku, or Na, a state in Kyūshū, Japan from the 1st to early 3rd centuries AD

Names and titles[edit]

Art and entertainment[edit]

Transport[edit]

Language[edit]

Organizations[edit]

Other uses[edit]

See also[edit]