Vice-Admiral Sir Richard Saunders Dundas, KCB (11 April 1802 – 3 June 1861) was a Royal Navy officer.

He was appointed to the command of the Fleet in the Baltic Sea, in succession to Sir Charles Napier, in February 1855 and led the naval support during the latter stages of the Crimean War, enforcing a strict blockade and carrying out the bombardment of Sveaborg in August 1855.

[1] After initial training at the Royal Navy College at Portsmouth, he joined the frigate HMS Ganymede in the Mediterranean Fleet.

[6] Dundas led the naval support during the latter stages of the Crimean War enforcing a strict blockade in the Baltic.

[1] Dundas was hesitant but the French admiral Charles Penaud persuaded him to attack the Russian fleet in the harbour of Sweaborg on 9–10 August 1855.

[8] Dundas was advanced to Knight Commander of the Order of the Bath on 5 February 1856[9] and became Second-in-command of the Mediterranean Fleet, hoisting his flag in HMS Duke of Wellington, in April 1856.