Geis (surname)

Geis is a German surname. 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