太湖石是中国古典园林中常用的园林石，原产于苏州洞庭山太湖水中，可单独摆设，或叠为假山。由于长年水浪冲击，产生许多窝孔、穿孔、道孔，形状奇特竣削，自古受造园家青睐。太湖石有三种：白太湖石、青黑太湖石、青灰色太湖石。采石工人携带工具潜水取石，用大绳捆绑，吊上大船运往工地造园。

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著名的太湖石有北宋宣和年间的宋徽宗花石纲遗物，现为上海豫园的镇园之宝的“玉玲珑”，有又称为“江南三大名石”的苏州织造署旧址（现位于苏州市第十中学内）瑞云峰、苏州留园冠云峰还有原属于元代画家赵子昂的苏州常熟公园“沁雪石”。

Taihu stone (Chinese:太湖石) or porous stone is a kind of limestone produced at the foot of Dongting Mountain (洞庭山) in Suzhou, which is close to Taihu Lake. Due to long-term surging by water, this kind of stone is featured by pores and holes.

These stones are very popular in gardening, following the concepts of traditional daoism and juxtaposition, themes very popular in that style of decoration.