Kshira () is a Sanskrit word for milk. Kshira is also the archaic name for sweet rice pudding kheer, popular in the Indian subcontinent. The term kshira is used and perceived differently from commonplace milk, termed dugdha in Sanskrit. Kshira also variably refers to any liquid or watery substance.
In Hindu mythology and cosmogony, the Kshira Sagara (, ; ; ; ) is the abode of the god Vishnu. The Vishnu Purana narrates the Samudra Manthana, or the churning of this ocean, by devas (gods) and asuras (demons) to produce sacred items including the elixir of life known as amrita.