Gemma Jackson (born 1951) is a British production designer and art director. She has spent the bulk of her career in film, having worked on films such as A Far Off Place, The Borrowers, Bridget Jones’s Diary, and Finding Neverland, for which she was nominated for an Oscar. More recently she won an Emmy for her work on the HBO miniseries John Adams.
Jackson is the lead Production Designer on Game of Thrones, tasked with designing, building, and dressing the actual physical sets that need to be used in filming the series. On 15 September 2012 she won a Creative Arts Emmy Award for her work on the second season of Game of Thrones.