Geis (surname)

Geis is a German. Notable people with the surname include:


 * Bernard J. Geis (1909–2001), American editor and publisher
 * Gemma Geis (born 1979), Catalan politician
 * George J. Geis (c. 1860–1936), American Baptist minister and anthropologist
 * Gerald Geis (1933-2022), American politician
 * Gilbert Geis (1925–2012), American criminologist
 * Irving Geis (1908–1997), American artist
 * Jacob Geis (1890–1972), German theatre director, screenwriter and film producer
 * Johannes Geis (born 1993), German footballer
 * Norbert Geis (born 1939), German politician
 * Paul Geis (1953–2019), Olympic athlete
 * Richard E. Geis (1927–2013), American science fiction fan and writer