John Cabot is a shipname. Several ships have held this name:
- SS John Cabot (hull number: 0395), a U.S. World War II Liberty ship;[1] see List of Liberty ships (Je–L)
- CCGS John Cabot (2020) (id: 843969; callsign: CGDJ), a Canadian Coast Guard ship launched 2020,[2] participated in the search for the 2023 Titan submersible disappearance as the deep sonar search ship;[3]
- CS John Cabot (id: 320951),[4] a Canadian ship launched in 1965, an icebreaker and cable ship, as a Canadian Coast Guard Ship CCGS John Cabot, involved in the 1973 rescue of the crew and raising the sunken Pisces III submarine,[5] the deepest submarine rescue ever,[6] as a Teleglobe ship CS John Cabot, laying down the CANTAT-3 transatlantic cable.