Ellen Datlow (born December 31, 1949) is an American science fiction, fantasy, and horror editor and anthologist.

Datlow began her career working for Holt, Rinehart and Winston for three years, as well as doing a stint at Crown Publishing Group.

[citation needed] Datlow has edited the anthologies Nebula Awards Showcase 2009, Darkness: Two Decades of Horror (2010), Hauntings (2013), Queen Victoria's Book of Spells (with Terri Windling, Tor Books, 2013),[3][4] Lovecraft's Monsters (2014), The Cutting Room (2014), The Monstrous (2015), Nightmares (Tachyon Publications, 2016), The Doll Collection (2016), Mad Hatters and March Hares (2017), The Devil and the Deep (2018), and When Things Get Dark (2021).

She was named recipient of the 2007 Karl Edward Wagner Award, given at the British Fantasy Convention, for "outstanding contribution to the genre".

[7] She is a longtime trustee of the Horror Writers Association and has been a co-host of the Fantastic Fiction reading series at the KGB Bar since 2000.