3 Suisses is a French mail order and e-commerce company, with headquarters in Villeneuve-d'Ascq.

It is the biggest of the 16 e-commerce brands of Groupe 3SI [fr; de].

Since 1981, Otto GmbH owned a 51% share in the company and has been its only shareholder since January 2014.

In 1987, 3 Suisses and L'Oréal founded Le Club des Créateurs de Beauté specializing in mail order sales of cosmetic products.

In 2010, Alexandre Vauthier created a clothing line for 3 Suisses.