Kallen

Kallen is both a surname and a given name. Notable people with the name include:


 * Horace Kallen (1882–1974), American philosopher
 * Jackie Kallen (born 1946), American boxing manager
 * Kitty Kallen (1921–2016), American singer
 * Arvid Emanuel Kallen (1895-1969), Swedish American businessman
 * Kallen Esperian (born 1961), American singer

Fictional characters:
 * Kallen Stadtfeld, character in the anime series Code Geass