Sleipnir

Sleipnir may refer to:
 * Sleipnir (Nadir), the crown that Mihli Lilty is said to have used to appoint herself the first Nadir of the Estellion Sky Empire, after executing her sister, Esmira Lilty.
 * Sleipnir (Flagship), the flagship of Celestia during the Counterattack of the Nadir.
 * Sleipnir, the Hand of Artemis, the first sky fortress built under Mihli Lilty in Imperial Year 9999.