Tachikawa Station is a junction passenger railway station located in the city of Tachikawa, Tokyo, Japan, operated by the East Japan Railway Company.

Tachikawa is a city located in the western portion of Tokyo Prefecture, Japan. As of 1 March 2021, the city had an estimated population of 184,383 in 93,428 households, and a population density of 7600 persons per km2. The total area of the city is 24.36 square kilometres (9.41 sq mi).