Hélène de Gingins (née Tronchin; 15 May 1828 – 23 July 1905) was a Swiss salonnière, abolitionist, and feminist.
She hosted political and religious salons in Geneva and was active in promoting children's welfare and fighting to end female prostitution.
Through her salons, she was introduced to the English social reformer Josephine Butler, who convinced her to join the Comité intercantonal de dames in 1876.
[1] Through this organization, de Gingins worked to end female prostitution and promote children's welfare.
[1] Later, she joined the Association of Friends of the Young Girl and l'Association du sou pour le relèvement moral, which financed relief work.