HDMS Hauch was a Danish gunboat, launched in 1862 and under command the following year. It was named after the naval officer , who died during the Battle of Copenhagen, while bravely defending the decommissioned frigate against three Royal Navy ships of the line.Hauch can be viewed as a scaled-down version of the preceding six gunboats of the . Hauch was built entirely in iron and the smaller size meant that it could only accommodate a single cannon. The 30 lb smoothbore cannon was not very accurate and was replaced by a smaller, but rifled 18 lb cannon in 1864. Towards the end of her career the armament consisted of two small smoothbore cannons (falconets), used for warning shots during fisheries inspection duties. The steam engine was reused from the scrapped gunboat Støren. This engine