HMS Observer

Three ships of the British Royal Navy have been named HMS Observer:


 * HMS Observer (1781), a sloop of 10 guns, was the Massachusetts privateer Amsterdam, which HMS Amphitrite (1778) captured on 19 October 1781. Observer was sold on 21 October 1784.
 * HMS Observer (1916), an Admiralty M class destroyer launched in 1916 and sold in 1921.
 * HMS Observer, an O class destroyer renamed whilst under construction to HMS Oribi (G66) and launched in 1941. The ship was transferred to Turkey in 1946 and broken up in 1965.