Elizabeth Amy Dillwyn (16 May 1845 – 13 December 1935) was a Welsh novelist, businesswoman, and social benefactor. She was one of the first female industrialists in Britain. Born in Sketty, Swansea, Dillwyn was a member of a prominent family. Her father was industrialist and politician Lewis Llewelyn Dillwyn, her older sister was lepidopterist Mary De la Beche Nicholl, her paternal uncle was botanist and photographer John Dillwyn Llewelyn, her paternal aunt was photographer Mary Dillwyn, and her paternal first cousin was astronomer and photographer Thereza Dillwyn Llewelyn. Dillwyn's paternal grandfather was the businessman, naturalist, and politician Lewis Weston Dillwyn, while her maternal grandfather was geologist and palaeontologist Henry De la Beche. Dillwyn's paternal great-grandfath