Ciocan is a Romanian surname, literally meaning 'hammer'. It can refer to:
Constantin Ciocan (born 1943), Romanian cyclist Cristian Ciocan (born 1974), Romanian philosopher Ieremia Ciocan (born 1867–1941), Romanian priest and politician Ilie Ciocan (1913–2026), Romanian soldier and supercentenarian Ion Ciocan (1850–1915), Romanian politician and professor Iurie Ciocan (born 1971), Moldovan politician and professor Christian Hammer (né Cristian Ciocan, born 1987), Romanian-German professional boxer
See also Ciocanu Ciocana, a sector in Chișinău Emil Cioran (1911–1995), Romanian philosopher, aphorist and essayist