What is "aass"

AASS or Aass may refer to:

• AASS (gene), Alpha-aminoadipic semialdehyde synthase, mitochondrial
• American Anti-Slavery Society (AASS), abolitionist society in existence from 1833–1870
• Aass Brewery, Norway's oldest active brewery
• Th. Valentin Aass (1887–1961), Norwegian sailor and civil servant