What is "osas"

OSAS or Osas may refer to:

• Osas Ighodaro, a Nigerian actress
• Sleep Apnea - Obstructive Sleep Apnea Syndrome
• Perseverance of the Saints - "Once Saved, Always Saved" (a common expression, with the relative acronym OSAS): a doctrine of Calvinist conceptions (and of Free Grace Protestant conceptions) of the Protestant Christian faith.
• Overseas Scandinavian Airlines System, see History of Scandinavian Airlines System (pre-1952)