Mardock railway station served the village of Wareside, Hertfordshire, England, from 1863 to 1964 by the Buntingford branch line.

The station was opened on 3 July 1863 by the Great Eastern Railway.

It was situated on the west side of the road leading to Mardocks Farm.

On the north side of the level crossing was a signal box that controlled a siding which served a goods yard and a cattle dock.

This article about a railway station in the East of England is a stub.