The is a rapid transit electric multiple unit (EMU) train type operated by Osaka Municipal Subway (now Osaka Metro) in Japan since 2009.
Thirteen six-car sets were built based on the New 20 series design to replace the older 30 series sets on the Tanimachi Line.
A total of 12 ten-car 30000 series sets are also on order for use on the Midà Âsuji Line, with the first set entering service on 10 December 2011, replacing the older 10 series sets. These 30000 series sets were the final new subway rolling stock to be ordered by the Osaka Municipal Transportation Bureau before it was privatised in 2018.
, the Tanimachi Line fleet consists of 23 six-car trainsets (thirteen 30000 series and ten 30000A series) and are formed as follows, with car 1 at the Yao-Minami end.
Car 3 is designated as a women-only car (rush hour only).
, the Midà Âsuji Line fleet consists of 22 ten-car trainsets and are formed as follows, with car 1 at the Nakamozu end.
Car 6 is designated as a women-only car (weekdays only).
Midosuji Line sets from 31604 onward incorporate a number of design improvements, including new seat covers, LED lighting, and pairs of wide-screen LCD passenger information displays above the doorways.
The first Tanimachi Line set was unveiled in October 2008 and entered service on 18 March 2009.
An improved derivative of the 30000 series, the 30000A series, was first announced by Osaka Metro on 9 December 2021. Changes from the 30000 series include a lower center of gravity, yellow-and-turquoise seat moquette, improved accessibility, and onboard air purifiers. A total of ten 6-car 30000A series sets were ordered.
The fleet began operation in July 2022 on Osaka Metro Chà «à  Line and Kintetsu Keihanna Line through services. Following Expo 2025, the fleet was gradually transferred to the Tanimachi Line.
The build history for the fleet is as shown below.