The Helveconae, or Helvaeonae, or Helvecones, or Aelvaeones, or Ailouaiones were a Germanic tribe mentioned by Roman authors.
They are possibly connected to the Hilleviones of Naturalis Historia by Pliny the Elder.
The Helveconae as such (manuscript variant Helvaeonae) are one of the tribal states of the Lugii mentioned by Tacitus in Germania.
[1] The Lugii were located in the Silesia area (today Poland).
Perhaps the scholars innovated Helvecones, which is not attested in classical times.