BASF SE, abbreviated BASF from its former full name "Badische Anilin-und-Soda-Fabrik" (Baden Aniline Soda Plant), is a German chemical company and one of the world's largest chemical plants.

The BASF Group has more than 160 wholly-owned subsidiaries or joint ventures in 41 countries in Europe, Asia, North and South America. The company's headquarters are located in Ludwigshafen on the Rhine, which is the largest chemical products site in the world in terms of plant area.