Abas or ABAS may refer to:

• Abas (sophist), an ancient Greek sophist and rhetorician
• Abas, the ancient writer of a work entitled Troia from which Maurus Servius Honoratus (ad Aen. ix. 264) has preserved a fragment
• Abas I of Armenia, king of Armenia from 928 to 953
• Abas (name)

• Abas River, a river of the Caucasus

• Battle of the Abas, a battle at the river in 65 BCE

• Abas Business Software, an enterprise resource planning and e-business application from ABAS Software AG
• Abas unipunctata, a species of planthopper and the only member of the animal genus Abas
• Abas (diatom), an extinct genus of algae
• Abas (mythology), several individuals in Greek and Roman mythology

• ABA (disambiguation)
• Aba (disambiguation)
• Abba (disambiguation)
• Ab (Semitic)

This disambiguation page lists articles associated with the title Abas.
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