Eliza Marsden Hassall (1834–1917) was an Australian Anglican lay leader and philanthropist. Born in Cobbitty to a clergyman, she dedicated much of her life to religious and social causes. She was active in various organizations, including the British and Foreign Bible Society and the Young People's Scripture Union. Through her leadership, she played a significant role in missionary work by recruiting many women for overseas service and establishing training programs for these efforts.