Sleipnir is an eight-legged horse in Norse mythology. Sleipnir or Sleipner may also refer to: Places Sleipner Glacier, Greenland Sleipnir Glacier, Antarctica Ships and offshore Sleipner gas field Sleipner A, an offshore platform , three different warships in service with the Royal Norwegian Navy between 1877 and 1992 , a class of Norwegian destroyers , a class of corvettes , a passenger catamaran , a large crane vessel owned and operated by Heerema Sports IK Sleipner, a Swedish sports club SK Sleipner, a Norwegian sports club; see Kampforbundet for Rød Sportsenhet Other uses Sleipnir (web browser) Sleipnir, a type of horse enemy in Final Fantasy XII Uddeholm Sleipner, a tool steel grade; see Uddeholms AB § Reference to international tool steel standards