The Nankai 12000 series (南海12000系, Nankai 12000-kei) is an electric multiple unit (EMU) train type operated by the private railway operator Nankai Electric Railway in Japan on Southern Premium limited express services between Namba and Wakayamashi since September 2011.

[1][2] Two four-car trainsets were delivered, replacing the older 10000 series sets.

[3] The new trains feature "Plasmacluster" air-purification technology developed by Sharp Corporation, representing the first use in a private operator (i.e. non-JR) train in Japan.

[2][6] The two end cars are each fitted with one PT7144-B single-arm pantograph.

[6] Two four-car sets were delivered from the Tokyu Car Corporation (now Japan Transport Engineering Company) factory in Yokohama in February 2011.