thumb|Location of Santo
was a town located in Sakata District, Shiga Prefecture, Japan. There was Kashiwabara-juku in Edo period.
Population
As of 2003, the town had an estimated population of 13,393 and a density of 252.17 persons per km<sup>2</sup>. The total area was 53.11 km<sup>2</sup>.
History
On February 14, 2005, Santō, along with the towns of Maihara and Ibuki (all from Sakata District), was merged to create the city of Maibara.