Arakawa River

or Ara River may refer to:

• Arakawa River (Kanto), which flows from Saitama Prefecture and through Tokyo to Tokyo Bay
• Arakawa River (Uetsu), which flows from Yamagata Prefecture and through Niigata Prefecture to the Sea of Japan.
• Arakawa River (Fukushima), which starts and finishes in Fukushima City, Fukushima