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
• HNoMS Sleipner, three different warships in service with the Royal Norwegian Navy between 1877 and 1992
• Sleipner-class destroyer, a class of Norwegian destroyers
• Sleipner-class corvette, a class of corvettes
• MS Sleipner, a passenger catamaran
• SSCV Sleipnir, 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