长生村（日语：长生村／ちょうせいむら）是千叶县长生郡的一村。为长生郡内唯一的村，也是长生郡内人口最多的自治体。相较于周边市町村呈现人口减少，该村人口仍持续增加。

位于千叶县太平洋侧、九十九里平原南部。地形平缓。

邻接自治体

• 茂原市
• 长生郡
  • 一宫町
  • 睦泽町
  • 白子町

Chōsei(长生村,Chōsei-mura) is a village located in Chōsei District, Chiba Prefecture, Japan. As of 2010, the village had an estimated population of 14,681 and a population density of 518 persons per km². The total area was 28.32 km².