Elizabeth (Eliza) Wigham (23 February 1820 – 3 November 1899) was a leading suffragist and abolitionist in 19th-century Edinburgh, Scotland.
She was involved in several major campaigns to improve women's rights in 19th-century Britain, and has been noted as one of the leading citizens of Edinburgh.
Her stepmother, Jane Smeal, was a leading activist in Glasgow, and her brother John Richardson Wigham was a prominent lighthouse engineer.