Osian

Osian or Osiyan may refer to:


 * Ancient nomadic tribes:
 * Asii, also known as the Osians in Central Asia
 * Osi (tribe) in Eastern Europe
 * OSIAN, an Open Source IPv6 Automation Network for wireless sensors
 * Osian art fund, an arts fund started in Mumbai (2010)
 * Osian, Jodhpur, a city in Rajasthan, India
 * Osian tehsil, a subdivision of Jodhpur district in Rajasthan
 * Osian (name), a name common in Wales, derived from the Irish Oisín
 * Osiyan, Unnao, a village in Unnao district, Uttar Pradesh, India