Kohn is a surname of German origin, often associated with various notable individuals and families. It can also refer to several places, businesses, or institutions, depending on the context. The name is commonly found in Jewish communities and has historical significance in Europe. In addition to its use as a surname, Kohn may refer to Kohn Pedersen Fox, an architectural firm known for its innovative designs. The term can also relate to Kohn's theorem, a concept in mathematics, particularly in the field of functional analysis.