Gavin John Bishop ONZM (born 1946) is an author and illustrator, from Invercargill, New Zealand.

[1] He is known for illustrating books from prominent New Zealand authors, including Joy Cowley and Margaret Mahy.

Bishop was born on 13 February 1946 in Invercargill, to a Tainui and Ngāti Awa family.

[4][5] Bishop worked as a high school art teacher for thirty years, before writing and illustrating children's books full-time.

[1] In 2006, he accused the makers of the Hollywood film Mr and Mrs Smith of plagiarizing his 1997 school book The Secret Lives of Mr and Mrs Smith.