Katherine Wilson Sheppard (10 March 1848 – 13 July 1934) was the most prominent member of the women's suffrage movement in New Zealand and the country's most famous suffragist. Born in Liverpool, England, she emigrated to New Zealand with her family in 1868. There she became an active member of various religious and social organizations, including the Women's Christian Temperance Union New Zealand (WCTU NZ). In 1887 she was appointed the WCTU NZ's National Superintendent for Franchise and Legislation, a position she used to advance the cause of women's suffrage in New Zealand.

The Electoral Bill of 1893, which granted women full voting rights, successfully passed in the House of Representatives in August. Sheppard was widely acknowledged as the leader of the women's suffrage movement and is considered to be an important figure in New Zealand's history. A memorial to her exists in Christchurch. Her portrait replaced that of Queen Elizabeth II on the front of the New Zealand ten-dollar note in 1991.

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