Nancy Springer (born July 5, 1948) is an American author of fantasy, young adult literature, mystery, and science fiction. Her novel Larque on the Wing won the Tiptree Award in 1994. She also received the Edgar Award from the Mystery Writers of America for her novels Toughing It in 1995 and Looking for Jamie Bridger in 1996. Additionally, she received the Carolyn W. Field Award from the Pennsylvania Library Association in 1999 for her novel I am Mordred. She has written over fifty books over a career that spans nearly four decades.