佐那河内村是位于德岛县东部的村，也是德岛县内目前唯一的村。特产为桃草莓（日文原名：ももいちご）。

佐那河内村于1889年10月1日德岛县实施町村制时，行政区划至今未曾有任何变动。

Sanagōchi(佐那河内村,Sanagōchi-son) is a village located in Myōdō District, Tokushima Prefecture, Japan.

As of 2003, the village has an estimated population of 2,862 and a density of 67.66 persons per km². The total area is 42.30 km². The area is known for its spelunking caves.