Henriette Willemina Crommelin (7 December 1870 – 19 August 1957) was a Dutch labor leader and temperance reformer.
At the age of 18, she came for a year to Westfield College, London,[1][2] where she took an abstinence pledge that was to direct her future.
[1] She returned to the Netherlands and in 1891, helped found the Utrecht branch of the Nationale Christen Geheelonthouders Vereeniging ("Dutch National Christian Temperance Federation").
[1] In 1896, Crommelin spoke for the first time in public, and her success encouraged her to continue and incited other women to follow her example.
[2] Serving as treasurer, Crommelin was a member of the Executive Committee of the Thirteenth International Congress Against Alcoholism (The Hague, 1911).