Arai Station (荒井駅, Arai-eki) is a subway station on the Sendai Subway Tōzai Line in Wakabayashi-ku, Sendai, Japan, operated by the municipal subway operator Sendai City Transportation Bureau.

Arai Station is served by the 13.9 km (8.6 mi) Sendai Subway Tōzai Line, and forms the eastern terminus of the line. The station is numbered "T13".

The station has one island platform serving two tracks on the basement ("B1F") level. The ticket barriers are located on the ground floor ("1F") level.

1	■ Tōzai Line	■ Arriving trains only
2	■ Tōzai Line	■ for Sendai and Yagiyama Zoological Park

• 
  Arai station “North 1” entrance
• 
  Arai station “Central 1” entrance
• 
  Miyako bus at Arai station
• 
  South side of Arai station headhouse
• 
  Arai station platform

The station opened on 6 December 2015, coinciding with the opening of the Tōzai Line.

In fiscal 2015, the station was used by an average of 2,254 passengers daily.

• Arai Depot
• Sendai Shichigo Junior High School
• Sendai Shichigo Elementary School
• Sendai GIGS
• Wakabayashi Police station

• List of railway stations in Japan

• Official website (in Japanese)