Sakumachō (佐久間町), officially Kanda-Sakumachō (神田佐久間町), is a district of Chiyoda, Tokyo, Japan, consisting of 1- to 4-chōme. As of April 1, 2007, its population is 963. Its postal code is 101-0025.
This district is located on the northeastern part on Chiyoda Ward. Kanda-Sakumachō 1-chōme borders Kanda-Hanaokachō and Kanda-Matsunagachō, and the district's 2 - to 4-chōme border Kanda-Izumichō on the north. The district borders Asakusabashi, Taitō, and Higashi-Kanda, Chiyoda on the east. The district's 1-chōme borders (across Kanda River) Kanda-Sudachō and , and its 2- to 4-chōme border Kanda-Sakumagashi on the south. The district borders Soto-Kanda on the west. Kanda-Hirakawachō is located between Kanda-Sakumachō 1-chōme and 2-chōme.
Akihabara Station is situated near the district.