Terri Tatchell is a Canadian screenwriter, best known for the co-writing the screenplay of District 9. She began her screenwriting career in 2006 with the Idealogue short action film Adicolor Yellow under the direction of her husband Neill Blomkamp. In 2008, Tatchell wrote, with Blomkamp, the screenplay of the science-fiction film District 9. She won the 2009 Bradbury Award from the Science Fiction and Fantasy Writers of America for her work on the screenplay.