Ciobanu is a Romanian surname, common in Romania and Moldova. Notable persons with the surname include:
Ghenadie Ciobanu (born 1957), Moldovan politician Gheorghe Ciobanu (1909–1995), Romanian ethnomusicologist and Byzantine specialist Gheorghe Ciobanu (21st century), Moldovan politician Ilarion Ciobanu (1931–2008), Romanian actor Ion Constantin Ciobanu (1927–2001), Moldovan writer Maia Ciobanu (born 1952), Romanian composer Mihaela Ciobanu (born 1973), Romanian-Spanish handball player Nelly Ciobanu (born 1974), Moldovan singer Radu Ciobanu (born 1975), Romanian footballer Sebastian Ciobanu (born 1985), Romanian kickboxer Ștefan Ciobanu (born 1979), Romanian footballer Ștefan Ciobanu (1883–1950), Bessarabian and Romanian politician Vitalie Ciobanu (born 1964), Moldovan journalist Vladimir Ciobanu (born 1953), Moldovan politician