Terri Tatchell (born January 1, 1978) is a Canadian screenwriter, best known for co-writing the screenplay of District 9[1] and was nominated for Best Adapted Screenplay at the 82nd Academy Awards.

[3] She began her screenwriting career in 2006 with the IDEALOGUE short action film Adicolor Yellow under the direction of her husband Neill Blomkamp.

[4] In 2008, Tatchell wrote, with Blomkamp, the screenplay of the science-fiction film District 9,[5] which was released in 2009.

[8] She won the 2009 Bradbury Award from the Science Fiction and Fantasy Writers of America for her work on the screenplay.

[9] In November 2019, Tatchell put out the first picture book in the Endangered and Misunderstood series Aye-Aye Gets Lucky, illustrated by Ivan Sulima.