The first HMS Severn (1695) was a 50-gun fourth rate launched in 1695, rebuilt in 1739, captured by the French in 1746, and recaptured by the Royal Navy in 1747 but not taken back into service.
The second HMS Severn (1747) was a 50-gun fourth rate launched in 1747 and sold in 1759.
The next HMS Severn was to have been a 38-gun fifth rate. She was renamed HMS Tagus before her launch.
The next HMS Severn was to have been a 46-gun fifth rate. She was ordered in 1825 but cancelled in 1831.
The fifth HMS Severn (1856) was a 50-gun fourth rate launched in 1856, one of the last sail frigates. She was converted to screw propulsion in 1860 and was broken up in 1876.