Lawrence A. Thornton (born 1937) is an American author best known for his first novel, Imagining Argentina, which won the Hemingway Foundation/PEN Award, the Shirley Collier Award from University of California, Los Angeles (UCLA), the PEN American Center West Award for Best Novel and a nomination for a PEN/Faulkner Best Novel Award.
He was born in Fremont, California and received a B.A. (1960), M.A. (1967) and Ph.D.(1973) from the University of California, Santa Barbara. He has also received the Guggenheim Fellowship from the John Simon Guggenheim Memorial Foundation and an NEA Literature Fellowships from the National Endowment for the Arts. He currently resides in California.