The Nagoya Municipal Subway 3000 series (名古屋市交通局3000形) was a rapid transit electric multiple unit operated by the Transportation Bureau City of Nagoya on the Nagoya Subway Tsurumai Line in Japan between 1977 and 2023.

Originally delivered as 4-car sets, the trainsets were reformed into 6-car sets from 1993 as shown below with former cab cars inserted within the formations.

[1] Two surplus 3000 series cars were inserted into a later 3050 series set.

[2]