Kallmann is a German surname that may refer to Franz Josef Kallmann (1897–1965), German-born American psychiatrist Kallmann syndrome Gerhard Kallmann (1915–2012), German-born American architect and academic Kallmann McKinnell & Wood, an architectural design firm based in Boston, United States Hans Jürgen Kallmann (1908–1991), German artist Hartmut Kallmann (1896–1978), German physicist Helmut Kallmann (1922–2012), Canadian musicologist and librarian
See also Kallman Callmann