The Diamond Throne (ISBN 0586203729) is the first book of a three-part fantasy series collectively called The Elenium, written by David Eddings. It was first published in 1989, with 1990, 1991 and 2002 reprints.

It tells the story of the Pandion Knight, Sparhawk, who returns to his home after ten years of exile.

It then tells the story of his quest to restore his Queen, Ehlana, to the throne, and to overthrow the evil forces that have taken over his home.