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The name of two Victorian submarines

Resurgam (Latin: "I shall rise again") is an early Victorian submarine and its prototype, designed and built in Britain by Reverend George Garrett. She was intended as a weapon to penetrate the chain netting placed around ship hulls to defend against attack by torpedo vessels.

The first Resurgam, built in 1878, was a 14 ft (5 m), hand powered, one man vessel nicknamed "the curate's egg" because of her shape. She was a one third size prototype for Garrett's design.

The second Resurgam was built by Cochran & Co. at Birkenhead and launched on 26 November 1879. Her construction was of iron plates fastened to iron frames, with the central section of the vessel clad with wood secured by iron straps. As built, she was 45 feet (14 m) long by 10 feet (3 m) in diameter, weighed , and had a crew of three. She was powered by a closed cycle steam engine originally patented in 1872 by the American engineer Emile Lamm, which provided enough steam to turn the single propeller for up to four hours. She was designed to have positive buoyancy, and diving was controlled by a pair of hydroplanes amidships. At the time she cost £1,538. After successful trials in the East Float at Wallasey, it was planned that Resurgam should make her way under her own power from Birkenhead to Portsmouth for a demonstration to the Royal Navy.

On 10 December 1879 Resurgam, crewed by Garret, Jackson (as skipper) and Price (engineer) set out for Portsmouth. However, during the voyage mechanical problems caused the crew to dock at Foryd Harbour, Rhyl, for repairs. Once completed, and after trials, the crew set sail on the night of 24 February 1880 in a high wind, towed by the steam yacht Elphin, which Garrett had bought to act as a tender. The Elphin developed engine problems and the Resurgam's crew transferred to her to assist. Because the entry hatch on the Resurgam could not be fastened from outside, the submarine began to ship water and the tow rope broke under the added weight, the Resurgam sinking in Liverpool Bay off Rhyl on 25 February 1880.