10C or X-C may refer to:

  • HP-10C series, a 1981 Hewlett-Packard calculators series
  • Oflag X-C, a World War II German prisoner-of-war camp for officers located near Lübeck in northern Germany
  • Route 10C (WMATA), a bus route operated by the Washington Metropolitan Area Transit Authority
  • Tenth Cambridge survey, Cambridge radio survey at 15.7GHz
  • Carbon-10 (10C), an isotope of carbon

See also

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