Kosi might refer to:

Places

  • Koshi River in Nepal and Bihar, India; usually Koshi (कोशी) in Nepali, but Kosi (कोसी) in Hindi
  • Dudh Kosi River in Nepal, tributary of the Koshi
  • Sun Kosi River in Nepal, tributary of the Koshi
  • Bhote Kosi River in Nepal, tributary of the Sunkoshi
  • Koshi Tappu Wildlife Reserve, a wildlife reserve in Nepal
  • Kosi Division, an administrative division of Bihar state, India
  • Kosi Zone, an administrative division of Nepal
  • Kosi Bay, a lake system and nature reserve in Maputuland, KwaZulu-Natal, South Africa
  • Kosi Kalan, a town in Mathura District, Agra Division, Uttar Pradesh, India

People

Other

  • KOSI, a Denver, USA, FM radio station
  • KOSI, Kyle of Sutherland Initiative (Highland Scotland development group)