Kristin Hannah (born September 25, 1960) is an American writer. Her most notable works include Winter Garden, The Nightingale, Firefly Lane, The Great Alone, and The Four Winds.

Kristin Hannah was born in California. After graduating with a degree in communication from the University of Washington, she worked at an advertising agency in Seattle. She graduated from the University of Puget Sound law school and practiced law in Seattle before becoming a full-time writer. Hannah wrote her first novel with her mother, who was dying of cancer at the time; the book was never published.

Hannah's best-selling work is The Nightingale, which has sold over 4.5 million copies worldwide and has been published in 45 languages.

She lives on Bainbridge Island, Washington, with her husband and their son.