HMS amethyst
HMS Amethyst is the name of the following ships:
- HMS Amethyst (1793) , a Royal Navy frigate, originally a pearl , lost in 1795
- HMS Amethyst (1799) , a Penelope-class frigate, lost in 1811
- HMS Amethyst (1844) , a Spartan-class frigate, sold in 1869 and used as a cable lay
- HMS Amethyst (1871) , an Amethyst class corvette from 1871, sold in 1887
- HMS Amethyst (1903) , a Topaze-class light cruiser, scrapped in 1920
- HMS Amethyst (U16) , a Black Swan class sloop, broken up in 1957
- HMS Waveney (M2003) , a River class anti-mine vehicle, renamed before it was launched