Helen MacGrgeor Todd (April 1, 1870 – August 15, 1953) was an American suffragist and worker's rights activist.

She wrote about child laborers in factories and became concerned with working women's lack of voting rights.

[2] She interviewed 800 children who worked in factories and published her findings in the April 1913 edition of McClure's Magazine.

[1] In 1910, she took part in an automobile tour to support women's suffrage where she and others spoke to factory workers.

[16] Todd also campaigned for women's right to learn about birth control, working with Margaret Sanger.

[17] She helped create low-cost housing called Twin Oaks in Greenwich Village for artists, working with Otto H. Kahn and Samuel Untermyer.