Darrell K. Sweet (born 1934 in Highland Park, New Jersey) is a professional illustrator best known for providing cover art for science fiction and fantasy novels, in which capacity he was nominated for Hugo award in 1983. He also produces art for trading cards and calendars. He is famous for providing the covers of the fantasy epic saga The Wheel of Time. He is also the illustrator for the well-known Xanth series by Piers Anthony, the Saga of Recluce series by L. E. Modesitt, Jr. and the Runelords series by David Farland as well as the original cover artist for Stephen R. Donaldson's series The Chronicles of Thomas Covenant the Unbeliever.