Sir Watkin Owen Pell (1788 – 29 December 1869) was a British Royal Navy admiral.

He entered the navy in April 1799 on board the Loire, and on 6 February 1800 lost his left leg in the capture of the French frigate Pallas, supported by a battery on one of the Seven Islands (James, iii.

After serving in various ships on the home and West Indian stations, he was promoted on 11 November 1806 to be lieutenant of the Mercury frigate, then on the Newfoundland station, and afterwards in the Mediterranean, where, as first lieutenant in command of the Mercury's boats, he repeatedly distinguished himself in cutting out gunboats or small armed vessels on the coast of Spain or Italy, and on one occasion, on 1 April 1809, was severely wounded in the right arm (ib.

On 9 October 1813, as he was returning to England to be paid off, he fell in with and, after a sharp engagement, captured the Neptune privateer, of much superior force, for which, and other good service, he was advanced to post rank on 1 Nov. 1813.

In May 1833 he commissioned the Forte, and in her acted as senior officer on the Jamaica station till March 1837.