Nagatachō Station (永田町駅, Nagatachō-eki) is a subway station in the Nagatacho district of Chiyoda, Tokyo, Japan, operated by the Tokyo subway operator Tokyo Metro.

Nagatachō Station is served by the following three lines.

• N Namboku Line (N-07)
• Y Yūrakuchō Line (Y-16)
• Z Hanzōmon Line (Z-04)

It is also connected by an underground passageway from the western end of the Hanzōmon Line platform to Akasaka-mitsuke Station on the Ginza and Marunouchi lines.

The station consists of three island platforms, each serving two tracks.

• B1F level: Ticket vending areas
• B3F level: Namboku Line platforms
• B4F level: Yūrakuchō Line platforms
• B6F level: Hanzōmon Line platforms

• 
  Ticket gates
• 
  Moving walkway to the Namboku Line platforms, March 2008
• 
  Yūrakuchō Line platforms, 2018
• 
  Hanzōmon Line platforms, March 2008

1	Y Yūrakuchō Line	for Yūrakuchō, Toyosu, and Shin-kiba
2		for Ikebukuro, Kotake-mukaihara, and Wakoshi TJ Tobu Tojo Line for Shinrinkōen Seibu Ikebukuro Line for Hannō
3	Z Hanzōmon Line	for Shibuya DT Den-en-toshi Line for Chūō-Rinkan
4		for Otemachi and Oshiage TS Tobu Skytree Line for Tōbu-Dōbutsu-Kōen TI Tobu Isesaki Line for Kuki TN Tōbu Nikkō Line for Minami-Kurihashi
5	N Namboku Line	for Nagatacho, Komagome, and Akabane-iwabuchi SR Saitama Railway Line for Urawa-Misono
6		for Shirokane-takanawa and Meguro MG Meguro Line for Hiyoshi SH Tokyu Shin-Yokohama Line for Shin-Yokohama Station Sotetsu Main Line for Ebina via the Tokyu/Sotetsu Shin-Yokohama Line

In fiscal 2019, this station had 91,240 passengers daily.

The station opened on October 30, 1974, as part of the original section of the Yūrakuchō Line between Ikebukuro and Ginza-itchōme. The Hanzōmon Line platforms opened on September 21, 1979, as a terminus of the line from Nagatsuta (on the Tōkyū Den-en-toshi Line); it became a through station when the line was extended to Hanzōmon on December 9, 1982. The Namboku Line platforms opened on September 30, 1997.

The station facilities were inherited by Tokyo Metro after the privatization of the Teito Rapid Transit Authority (TRTA) in 2004.

• Diet of Japan
• National Diet Library
• Supreme Court of Japan
• Headquarters of the Liberal Democratic Party (Japan)
• Akasaka Excel Hotel Tokyu
• Akasaka Prince Hotel
  • Tokyo Garden Terrace
• Hotel New Otani
• Hibiya High School
• Japan Center for Asian Historical Records

• Nagatachō Station information (in Japanese)

35°40′43.4892″N 139°44′24.936″E / 35.678747000°N 139.74026000°E / 35.678747000; 139.74026000