Numenius can refer to:

  • Numenius of Apamea, Syrian Greek philosopher of the 2nd century CE
  • Curlew, any of 9 species of birds grouped in the genus Numenius
  • Numenius, son of Antiochus in 1 Maccabees 12:16
  • Noumenios, Seleucid general and satrap of the 3rd/2nd century BCE