Jayne Ann Krentz, née Jayne Castle, is an American writer of romance novels. Krentz is the author of a string of New York Times bestsellers under seven different pseudonyms. Now, she only uses three names.

She earned a B.A. in History from the University of California at Santa Cruz and went on to obtain a Masters degree in Library Science from San Jose State University in California. Before she began writing full time she worked as a librarian in both academic and corporate libraries.

She is married and lives with her husband, Frank, in Seattle, Washington.