Takahiro Arai (Japanese: 新井 貴浩, born January 30, 1977, in Naka-ku, Hiroshima) is a Japanese former professional baseball player. He is the manager of Hiroshima Toyo Carp in Japan's Nippon Professional Baseball from the 2023 season. His younger brother Ryota is also a former professional baseball player who played for Hanshin Tigers.