Susan Fereday (née Apthorpe) (1815, Leicestershire, England – 21 October 1878, Sale, Victoria, Australia)[1] was an algologist, botanical illustrator, artist and Sunday school teacher who made scientifically significant collections of botany specimens in Tasmania, Australia.

[4] She married John Fereday in London on 29 December 1836 and emigrated with her husband to Australia aboard the Aden on 5 November 1845.

[4] Fereday lived in "The Grove" in George Town, Tasmania and used the local flora as inspiration for her paintings.

[5] She was part of the Tasmanian contingent of this exhibition alongside fellow botanical artist Louisa Anne Meredith.

[4] Fereday was also a keen collector of algae specimens and established a scientifically significant collection.