Lukius is a variant of Loukios, an Ancient Roman given name meaning “light” from Latin lux. The name derives from Proto-Italic *louks (light) from Proto-Indo-European root word *lewk- (white; light; bright; to shine). Also spelled Lucius though the Ancient Romans pronounced the like a k.

Origin: Proto-Indo-European



  • Lucius (Ancient Roman, English)
  • Loukios (Ancient Roman)
  • Lucio (Italian)
  • Lucjusz (Polish)
  • Lúcio (Portuguese)
  • Lucio (Spanish)


Female forms:

  • Lucia (Ancient Roman, English, Italian, German, Swedish, Norwegian, Danish, Romanian, Slovak)
  • Lucilla (Ancient Roman, Italian)
  • Lucinda (English, Portuguese)


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