The Kintetsu 16600 series "Ace" (近鉄16600系「Ace」) is a limited express electric multiple unit (EMU) train type operated by Kintetsu Railway in Japan since 19 June 2010.

[1] They are operated on the Minami Osaka and Yoshino Lines, replacing the earlier 16000 series [ja] trains.

[1] The design is based on the Kintetsu 22600 series trains used on the standard gauge Osaka and Nara Lines since 2009.

[2] Two two-car sets were built at a cost of approximately 800 million yen.

[1] Test running commenced in May 2010, with entry into revenue service from 19 June 2010.