MV John Paul DeJoria (formerly USCGC Block Island (WPB-1344)) was a former United States Coast Guard cutter owned and operated by the Sea Shepherd Conservation Society. Until scrapped, she was used in their direct action campaigns against illegal fisheries activities.
In January 2015, Sea Shepherd purchased two decommissioned s from the United States Coast Guard, capable of a top speed of . They were USCGC Block Island and USCGC Pea Island, and were renamed MV Jules Verne and after famous authors, respectively. They were joined by another ex-USCG island class cutter in December 2017, the .
Jules Verne was then renamed MV John Paul DeJoria on 31 January 2017, honouring Sea Shepherd supporter John Paul DeJoria. Under the new name, the ship's first mission was to join the search for the missing filmmaker Rob Stewart in the Florida Keys.
In December 2022, it was announced that the former Scottish Fisheries Protection Agency patrol vessel Vigilant had been acquired by Captain Paul Watson's newly founded environmental protection organization Captain Paul Watson Foundation and re-named John Paul DeJoria.