Cognomen Baeni (Baeni 
) , globally, is a rare family name. The family name Baeni is habitual in Liechtenstein, where it is quite a rare surname, Switzerland, where it is a rare surname, and the Democratic Republic of the Congo. Measured by absolute frequency, it most frequently occurs in the Democratic Republic of the Congo, Indonesia, and Switzerland. Much less frequently, Baeni is the forename as well as the last name.