Actenicerus siaelandicus is a species of click beetle belonging to the family Elateridae, subfamily Dendrometrinae.

The adults grow up to 10–17 millimetres (0.39–0.67 in) long and can mostly be encountered from May through August, mainly in wet meadows, bogs and marshes.

One of preferred host-plants are Carex species.

The whole body is bronzed-brownish or auburn-purplish, with a greyish pubescence.

This click beetle article is a stub.