Alfa Laval AB is a Swedish company, founded in 1883 by Gustaf de Laval and Oscar Lamm. The company started by providing centrifuges to dairies to be used to separate cream from milk. It now deals in the production of specialised products for heavy industry. The products are used to heat, cool, separate and transport such products as oil, water, chemicals, beverages, foodstuffs, starch and pharmaceuticals.

Karl Gustaf Patrik de Laval was a Swedish engineer and inventor who made important contributions to the design of steam turbines and centrifugal separation machinery for dairy.