HMS Nemesis (1780) was a 28-gun sixth rate launched in 1780. The French captured her in 1795 at Smyrna, but in 1796 a squadron led by Barfleur brought her out of the neutral port of Tunis; she was sold in 1814.
HMS Nemesis (1939) was a Belgian ferry, Princesse Marie-Jose (1923). Renamed by the RN as Southern Isles, Nemesis, Baldur, and Nemesis (second time) before return to Belgium.