HMS Espoir (1860) was a Philomel-class gunvessel launched 6 January, and armed with one 68-pounder and four 24-pounder howitzers. In 1869 she was converted to a dredger with the designation YC19. She was broken up in Bermuda in June 1881.
HMS Espoir (1880) was a Banterer-class gunboat launched on 2 November and armed with two 64-pounder guns and two 20-pounder smoothbores. She was converted to a tug in 1895 and on the sale list in 1903.
The last HMS Espoir was laid down for the Royal Navy on 23 October 1942 in Seattle as HMS Espoir (BAM-23), a Catherine-class minesweeper. However she was retained by the United States Navy as USS Triumph.