Anya Susannah Hindmarch, (; born in 1968) is an English fashion accessories designer who founded an eponymous company, of which she is currently CEO. Hindmarch published her first book, If In Doubt Wash Your Hair in May 2021, a Sunday Times bestseller.Alongside running her accessories brand, Hindmarch holds several other roles – she is Emeritus trustee of both the Royal Academy of Arts and the Design Museum and a trustee of The Royal Marsden Cancer Charity. In 2019, Anya Hindmarch became a Greenpeace Ambassador. She was appointed a trustee of the Tate in 2022 and is a non-executive director of Tate Enterprises Ltd. In September 2023, Hindmarch was made an advisor to the Board of Trade.