The Nith Bridge cross (also known as the Boatford cross) is a sculptured Anglo-Saxon cross, near the village of Thornhill, Dumfries and Galloway.

It is the best preserved monument of its type in the region, after the Ruthwell Cross,[1] although the arms are missing.

It is a Scheduled monument.

[2] The cross is made of red sandstone and carved with animal and plant interlace designs in low relief.

It is 6 feet 6 inches tall.