Geiss or Geiß (German for a female goat) is a surname of German origin. Notable people with the surname include:
Anton Geiss (1858–1944), German politician in the Republic of Baden Bill Geiss (1858–1924), American baseball player Christof Geiß (born 1964), German mathematician Doug Geiss (born 1969), American politician from Michigan Emil Geiss (1867–1911), American baseball player Erika Geiss, American politician from Michigan Imanuel Geiss (1931–2012), German historian James Geiss (1950–2000), American sinologist, historian, and author Johannes Geiss (1926–2020), German physicist Karlmann Geiß (1935–2025), German jurist and judge Louisette Geiss, American writer, lyricist, and producer Michel Geiss, French sound engineer, instrument designer and musician Robert Geiss (born 1964), German businessman and TV personality Robin Geiss (born 1974), German public international law scholar and academic Tony Geiss (1924–2011), American producer, screenwriter, songwriter and author
See also Edith Schönert-Geiß (1933–2012), German numismatist Pedro Varela Geiss (born 1957), Spanish writer, bookseller and Holocaust denier Geis (surname), people with this name Geist (surname), people with this name
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