Elizabeth "Lucy" Cousins (born 10 February 1964) is an English author and illustrator of children's books. She is best known for her books featuring Maisy Mouse, but she has also published other children's books, such as Jazzy in the Jungle (2002) and one about Noah's Ark. She lives in Hampshire, England.
Cousins, whose parents were also artists, was interested in children's books from an early age. But it took until the end of six years in art college for her to decide that she wanted to create children's books. Cousins received BA Honours in Graphic Design from The Faculty of Arts and Architecture, Brighton Polytechnic. She then attended the Royal College of Art, where she met Quentin Blake, who encouraged her work. Her sense of design and color that she uses to this day, she developed while she was at the Royal College of Art.