Colette Guillaumin (28 January 1934 – 10 May 2017), was a sociologist at the French National Centre for Scientific Research and a French feminist. Guillaumin is an important theorist of the mechanisms of racism and sexism, and relations of domination. She is also an important figure in materialist feminism. She participated in the founding of the journal Questions féministes, alongside other French academics (such as Simone de Beauvoir) and is also one of the co-founders of the journal Le Genre Humain.