Jennifer Greene is one of the pseudonyms for Jill Alison Hart (born in Michigan, United States). She is a writer of over 85 romance novels since 1980. She has also written novels as Jeanne Grant and Jessica Massey, and uses the name Alison Hart as a business name for her writing.

She has been honored with many awards. In the summer of 1998 she was inducted into the Romance Writers of America's Hall of Fame, and later received the Nora Roberts Lifetime Achievement Award.