Tarryn Fisher (born c. 1982) is a South African-born novelist based in Seattle, Washington, United States. She writes primarily in the romance, thriller, and new adult genres, and is best known for her New York Times best selling novels The Wives and The Wrong Family.

Tarryn Fisher was born in Johannesburg, South Africa, to a White South African family. Her father, Dennis Fisher, was a horse trainer and his wife, Cynthia Fisher, was a schoolteacher. The family left South Africa and moved to Broward County, Florida in 1985 when Fisher was 3 years old. She currently resides in Seattle, Washington, with her husband and children.

Fisher self-published her first novel, The Opportunist, through Amazon. Fisher's two most recent novels The Wives and The Wrong Family, were published by Harlequin Enterprises, a division of Harper Collins. Both titles made appearances on the New York Times Best Seller list.