Anna Sophia Polak (27 April 1874, Rotterdam — 26 February 1943) was a Jewish feminist and author.

She was educated at the Hogere Burgerschool for girls in Rotterdam and took the gymnasium final exam as an extranea in 1893.

With the proceeds of the exhibition, twenty thousand guilders, the National Association for Women's Labor was founded.

After the exhibition, she wrote a book, Vrouwenwerk in Nederland, Beschouwingen over eenige zijden der Vrouwenbeweging, which was published in 1902.

The Bureau collected documentation on women's professions, organized information, consultations and many publications, including 55 brochures written by Polak.