Janet Loxley Lewis (August 17, 1899 – December 1, 1998)[1][2] was an American novelist, poet, and librettist.

Lewis was born in Chicago, Illinois, and was a graduate of the University of Chicago, where she was a member of a literary circle that included Glenway Wescott, Elizabeth Madox Roberts, and her future husband Yvor Winters.

[3] She wrote The Wife of Martin Guerre (1941) which is the tale of one man's deception and another's cowardice.

Other prose works include The Trial of Soren Qvist (1947), The Ghost of Monsieur Scarron (1959), and the volume of short fiction, Good-bye, Son, and Other Stories (1946).

[4] She also collaborated with Alva Henderson, a composer for whom she wrote three libretti and several song texts.