Uchisaiwaicho Station (内幸町駅, Uchisaiwaichō-eki) is a railway station on the Toei Mita Line in Uchisaiwaichō, Chiyoda, Tokyo, Japan.

Its station number is I-07.

The station consists of a single island platform serving two tracks.

The station opened on 27 November 1973.

The station saw a daily average of 45,660 passengers in 2018.