Sean Costello (author)
 Sean Costello (born 1951 in Ottawa Ontario) is a Canadian author of horror fiction and an anesthesiologist living in Sudbury Ontario.His first three novels published in North America by Pocket Books have been released in the UK by Tor Books and translated into Dutch German and Russian. Finders Keepers and Sandman were published by Red Tower Publications and Finders Keepers has been optioned to film.