Nancy Elise Howell Etchemendy (born February 19, 1952) is an American writer of science fiction, fantasy, and horror including four children's novels.
Her novels, short fiction, and poetry have appeared regularly since 1980, both in the United States and abroad.
Her fourth novel, The Power of Un, a sci-fi thriller, was published by Front Street/ Cricket Books in March 2000.
Cat in Glass and Other Tales of the Unnatural, her collection of short dark fantasy for young adults, was published in 2002, also by Front Street/ Cricket Books and appears on the ALA Best Books for Young Adults list for 2002.
She lives and works in Northern California and is married to John Etchemendy, former Provost of Stanford University.