What is "oan"

, also romanized as Ō-an, was a Japanese era name (年号, nengō, lit. year name) of the Northern Court during the Era of Northern and Southern Courts after Jōji and before Eiwa. This period spanned the years from February 1368 through February 1375. The emperors in Kyoto were and The Southern Court rival in Yoshino during this time-frame was .

OAN or oan may refer to:

• One America News Network
• Open-access network
• Ōan, a Japanese era name from 1368 through 1375
• Guardians of the Universe, an extra terrestrial race from the planet Oa in the DC Comics universe
• The Oa, a rocky region in the southwest of Islay, in Argyll, Scotland
• Oan Ali Mohammed, a leader of the 1980 Iranian Embassy siege in London
• Observatorio Astronómico Nacional de Chile, Spanish name for the National Astronomical Observatory in Chile