Lactalis
| Lactalis | |
| Formerly | Besnier S.A. | 
| Company type | Private | 
| Industry | Dairy products | 
| Founded | 19 October 1933 | 
| Founder | André Besnier | 
| Headquarters | , France | 
| Area served | Worldwide | 
| Key people | Emmanuel Besnier (CEO) | 
| Products | Cheese, butter, milk | 
| Revenue | €29.5 billion (2023) | 
| €428 million (2023) | |
| Owner | Besnier family via Belgian holding company BSA International SA | 
| Number of employees | 85,000 | 
| Subsidiaries | Lactalis-Nestlé Fresh Products Lactalis Nestle Chilled Dairy Co. Ltd. Kraft Natural Cheese Siggi's Dairy Stonyfield Farm | 
| Website | lactalis | 
Groupe Lactalis S.A. (doing business as Lactalis) is a French multinational dairy products corporation, owned by the Besnier family and based in Laval, Mayenne, France. The company's former name was Besnier S.A.
Lactalis is the largest dairy products group in the world, and is the second largest food products group in France, behind Danone. It owns brands such as Parmalat, Président, Kraft Natural Cheese, Siggi's Dairy, Skånemejerier, Rachel's Organic, and Stonyfield Farm.