Laura Antoniou (born 1963) is an American novelist. She is the author of The Marketplace series of BDSM-themed novels, which were originally published under the pen name of Sara Adamson.
Antoniou is also known for her work as an editor and pioneer on the field of contemporary erotic fiction and in particular as editor of lesbian erotica anthologies including the three volume Leather Women series, Some Women, By Her Subdued, No Other Tribute, and a collection of her own short stories and essays titled The Catalyst and Other Works. In 2011, she won the John Preston Short Fiction award from the National Leather Association for her short story “That’s Harsh,” published in the e-book edition of The Slave. (She also won the NLA Lifetime Achievement Award in 2011.)