Hikari, Chiba

 was a town located in Sōsa District, Chiba Prefecture, Japan.
In 2003, the town had an estimated population of 12,055 and a density of 361.90 persons per square kilometer (937.32 persons per square mile). The total area was .
On March 27, 2006, Hikari, along with the town of Yokoshiba (from Sanbu District), was merged to create the town of Yokoshibahikari. The new town is in Sanbu District; Sōsa District was dissolved as a result of this merger.