Rachel Kadish (born August 12, 1969) is an American writer of fiction and non-fiction and the author of several novels and a novella.

Her novel Tolstoy Lied: a Love Story won the John Gardner Fiction Prize in 2007.

Rachel Kadish's 2017 novel, The Weight of Ink, winner of the National Jewish Book Award, is a work of historical fiction set in London in the 1660s and in the early twenty-first century.

It tells the interwoven stories of two women: Ester Velasquez, an immigrant from Amsterdam who is permitted to scribe for a blind rabbi just before the plague hits London; and Helen Watt, an ailing historian with a love of Jewish history.

Kadish has also written in Quartz magazine about Chiune Sugihara, the Japanese diplomat who saved her family during World War II[10] and in The Paris Review on the importance of historical fiction in illuminating forgotten history.