七指蕨（学名：Helminthostachys zeylanica）属七指蕨科七指蕨属的一种蕨类植物。

高30～50厘米。根状茎横走，具有较密的多肉质粗根；近顶部生出1-2枚叶。叶柄基部有两片长圆形、淡棕色托叶，顶部生营养叶片和孢子囊穗。营养叶三叉，每叉由一枚顶生羽片和一或两对侧生羽片组成，具短柄。孢子囊穗单生，高出营养叶，孢子囊顶端有不育的鸡冠状突起。

Helminthostachys zeylanica is a terrestrial, herbaceous, fern-like plant of southeastern Asia and Australia, commonly known as kamraj and tunjuk-langit. The genus Helminthostachys is monotypic and, just like the other members of its family, it has clusters of sporangia on stems of fertile, spike-like fronds.