Ōmachi Station (大町駅, Ōmachi-eki) is a passenger railway station in the city of Ichikawa, Chiba, Japan, operated by the third sector Hokusō Railway.

Ōmachi Station is served by the Hokusō Line and is located 10.4 kilometers from the terminus of the line at Keisei-Takasago.

This station consists of two opposed elevated side platforms serving two tracks, with the station building underneath.

1	■ Hokusō Line	for Higashi-Matsudo, Keisei-Takasago, Oshiage, Ueno, Shinagawa, and Haneda Airport Domestic Terminal
2	■ Hokusō Line	for Shin-Kamagaya , Imba Nihon-idai, and Narita Airport

Ōmachi Station was opened on 31 March 1991. On 17 July 2010 a station numbering system was introduced to the Hokusō Line, with the station designated HS07.

In fiscal 2018, the station was used by an average of 842 passengers daily.

• Ichikawa City Botanical Garden
• National Route 464

• List of railway stations in Japan

Media related to Ōmachi Station (Chiba) at Wikimedia Commons

• Hokusō Line station information (in Japanese)