The Underground Work (Women) Convention, 1935 is an International Labour Organization Convention.
It was established in 1935, with the preamble stating: <blockquote>Having decided upon the adoption of certain proposals with regard to the employment of women on underground work in mines of all kinds,..</blockquote>
As of 2023, the treaty has been ratified by 98 states. Of the ratifying states, 30 have subsequently denounced the convention.<br>