Bortz or Börtz is a surname. Notable people include: Bortz (chieftain), 13th-century Cuman chieftain Analia Bortz (born 1967), Argentine medical doctor and rabbi Chris Bortz (born 1973), American politician Cindy Bortz, American figure skater Daniel Börtz (born 1943), Swedish composer Mark Bortz (born 1961), American football player Rudolf Bortz (born 1938), German sports shooter Walter Bortz II (1930–2023), American researcher and medical doctor Walter M. Bortz III (1944–2023), American university president