Karen Chance is an American novelist. She grew up in Orlando, Florida, and has lived in various places, including France, Great Britain, Hong Kong, and New Orleans, where she taught history. Currently, she resides in Florida and has been a full-time author since 2008.

Chance is known for her bestselling series, which have appeared on the New York Times and USA Today lists. Her Cassandra Palmer series follows ghost whisperer and clairvoyant Cassie Palmer as she navigates her role as the Pythia, the chief seer of the supernatural world. As the series progresses, Cassie explores her identity, powers, and place in the supernatural community.

The Midnight's Daughter series is a spin-off from the Cassandra Palmer series, featuring Dorina Basarab, a dhampir (half human, half vampire), who is the daughter of Mircea Basarab, a supporter in the vampire community. Characters from both series often overlap, providing a comprehensive view of the universe they inhabit.

Before becoming an author, Karen was a university history teacher, a background that aids in the historical and time-travel elements of her stories. She enjoys Las Vegas, a frequent setting in her novels, but continues to enjoy her home in Florida.

Her debut novel, Touch the Dark, was published in 2006 and introduced a modern-day Pythia involved in time travel, vampire politics, elder gods, and romantic entanglements. Her subsequent series has continued to captivate readers with its thrilling and adventurous narrative.