Christiani is a surname. Notable people with the surname include:
Charles-Joseph Christiani (1772–1840), French Army officer Cyril Christiani (1913–1938), Guyanese cricketer David Christiani (1610–1688), German mathematician, philosopher and Lutheran theologian David C. Christiani, American physician Eddy Christiani (1918–2016), Dutch guitarist, singer and composer Nick Christiani (born 1987), American baseball player Pablo Christiani, 13th-century convert to Roman Catholicism from Judaism Rita Christiani (1917–2008), Trinidad-born African-American dancer Robert Christiani (1920–2005), Guyanese cricketer
See also Christian (disambiguation)