HMS Swift was the whaler Pacific launched in 1802 that the British Royal Navy purchased in 1804 on her return from the Galápagos Islands.

Pacific entered Lloyd's Register in the issue for 1802 with T. Hooper, master, P. Mellish, owner, and trade London–Southern Fisheries.

[2] The whaler Pacific, Thomas Hopper, master, and Peter & William Mellish, owners made a voyage to the coast of Peru in 1802.

She sailed for the Leeward Islands on 23 December 1804 as part of the escort to a convoy of West Indiamen, including Scarborough.

As they were sailing in company in the bay of Honduras, Wright received intelligence that a Spanish guarda-costa had been raiding British commerce in the area.

Most of the crew of the guarda-costa were ashore and had left only the captain and 14 men aboard, and all fled when the British attacked.

He reported that Wright had stowed 13 mahogany logs betwixt decks, claiming they were ballast, and then had them publicly sold at Chatham.

On 3 November the "Principal Officers and Commissioners of His Majesty's Navy" offered for sale the "Swift store-ship, of 327 tons", lying at Deptford.

[1] Pacific, of 386 tons (bm), river-built (i.e., built on the River Thames) in 1802, returned to the Register of Shipping (RS) in 1816.

On 9 December 1828 Lloyd's List reported that Pacific, Taylor, master, had been driven ashore at Reval.

Then on the 26th, Lloyd's List reported that Pacific, Taylor, master, had been driven on shore at Neckmannes Ground and/but carried away by gale.