English ship Swiftsure (1573)

History
England
NameSwiftsure
BuilderPeter Pett, at Deptford Dockyard
Launched1573
RenamedSpeedwell
FateLost, 1624
General characteristics as built
Class & typeGalleon
Tons burthen350
Complement200
Armament29 major guns, plus 4 fowlers
General characteristics after 1607 rebuild
Class & typeMiddling ship
Tons burthen333
Length74 ft (23 m) (keel)
Beam30 ft (9.1 m)
Depth of hold15 ft (4.6 m)
Sail planFull-rigged ship

Swiftsure was a galleon of the English Navy, launched in 1573. She was rebuilt in 1592.

In 1607 she was renamed Speedwell, when she was rebuilt for a second time at Deptford, now classed as a middling ship. She was wrecked near Vlissingen on 1 November 1624.