Kircher is a surname. Notable people with the surname include:
Al Kircher (1909–2004), American football, basketball, and baseball player and coach Alexander Kircher (1867–1939), Austrian-German marine and landscape painter and illustrator Armin Kircher (1966–2015), Austrian composer Athanasius Kircher (1602–1680), German Jesuit scholar George Kircher (1887–1949), American baseball player and coach Herwig Kircher (born 1955), Austrian football player Jérôme Kircher (born 1964), French actor Knut Kircher (born 1969), German football referee Mike Kircher (1897–1972), American baseball player Paul Kircher (born 2001), French actor Pete Kircher (born 1945), English rock/pop drummer Samuel Kircher (born 2004), French actor Tim Kircher (born 1999), German football player William Kircher (born 1958), New Zealand actor
See also Kircher (crater), lunar impact crater that is located in the south-southwestern part of the Moon