江华岛（강화도）是位于韩国首尔特别市西北、南北停战线附近的岛屿。简称：“沁”（朝鲜申櫶着有《沁行日记》）。

岛屿面积约410平方公里，是韩国第5大岛。行政上属于仁川广域市江华郡。建有江华大桥与陆地相连。

岛南的摩尼山（마니산）是全岛最高峰，高468公尺。

Ganghwa Island is an island in the estuary of the Han River, on the west coast of South Korea. Ganghwa Island is separated from Gimpo, on the mainland, by a narrow channel, which is spanned by two bridges. The main channel of the Han River separates the island from Gaeseong in North Korea.