Shōnan (沼南町, Shōnan-machi) was a town located in Higashikatsushika District, Chiba Prefecture, Japan.

Shōnan Village was formed on March 30, 1955. through the merger of Kazahaya and Tega.

On February 1, 1964 Shōnan was elevated to town status.

On March 28, 2005, Shōnan was merged into the expanded city of Kashiwa, and thus no longer exists as an independent municipality.

This Chiba Prefecture location article is a stub.