Marciana is a town in the province of Livorno, Italy.
Marciana, a feminine and adjectival form of the names Mark or Marcus etc., can also refer to:
People Ulpia Marciana, sister of the Roman Emperor Trajan, posthumously deified as diva Marciana Paccia Marciana, first wife of the Roman Emperor Lucius Septimius Severus Marciana of Mauretania, martyr and saint Saint Marciana the Queen, wife of Emperor Justin I (518–527)
Places Marciana, Cascina, village in the province of Pisa, Italy Marciana Marina, town in the province of Livorno, Italy Biblioteca Marciana, historic library and building in Venice Marciana (Lycia), a town in ancient Lycia