Kathleen Daisy Miller (born 1951 in Hamilton, Ontario) is a Canadian writer. She is most noted for her short story collection All Saints, which was a shortlisted finalist for the Rogers Writers' Trust Fiction Prize in 2014. Her debut novel, Brown Dwarf, was published in 2010, and her third short story collection, The Other Voice, followed in 2011. Her newest short story collection, Late Breaking, was published in 2019 and featured stories based on the art of Alex Colville. It was longlisted for the 2019 Giller Prize.