Achaius
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Look up Achaius in Wiktionary, the free dictionary.
Achaius may refer to:
- John Capellanus (died 1147), Bishop of Glasgow nicknamed "Achaius"
- Achaius, one of the legendary kings of Scotland
- Achaius, a genus of wasp within the family Ichneumonidae
See also
- Achaeus (disambiguation)