Ancillary Sword is a science fiction novel by the American writer Ann Leckie, published in October 2014. It is the second novel in Leckie's "Imperial Radch" space opera trilogy, which began with Ancillary Justice (2013) and ended with Ancillary Mercy (2015). The novel was generally well-received by critics, received the BSFA Award for Best Novel and the Locus Award for Best Science Fiction Novel, and was nominated for the Nebula and Hugo awards.
