The Phial of Galadriel is an object that appears in The Lord of the Rings by J. R. R. Tolkien. This glowing vial is a gift from the Elf-lady Galadriel to the protagonist Frodo Baggins, who uses it several times during his journey to Mount Doom.
The Tolkien scholar Verlyn Flieger describes the Phial as a splinter of the created light, deriving from the Two Trees of Valinor by way of a Silmaril made from their light, and then via Galadriel's fountain which captured a little of the light of that Silmaril, shining as Eärendil's star. The Phial is one of the elements that associate the character of Galadriel with light, water, and the Virgin Mary, and to Galadriel's psychological pairing with the evil spider Shelob, symbolising light against darkness.