Johann or Hans Zimmermann may refer to:
Writers Johann Jacob Zimmermann (1642–1693), German nonconformist theologian, mathematician and astronomer Johann Georg Zimmermann (1728–1795), Swiss philosophical writer, naturalist and physician Johann Heinrich Zimmermann (1741–1805), German oceanic explorer and chronicler
Public officials Johann Christian Zimmermann (1786–1857), German businessman, diplomat and politician Hans Zimmermann (1906–1984), German public official during Hitler era
Others Johann Baptist Zimmermann (1680–1758), German Baroque painter Hans Zimmermann (architect) (1831–1911), German chief of works
See also Zimmermann, German surname meaning "carpenter" Johannes Zimmermann (disambiguation) Hans Zimmer (1957–), German film composer and music producer