List of ship launches in 1781

The list of ship launches in 1781 includes a chronological list of some ships launched in 1781.

Date	Country	Builder	Location	Ship	Class	Notes
5 January	United States	James Hackett	Portsmouth, New Hampshire	Alexander	Privateer	For Massachusetts State Navy.[1]
5 January	Kingdom of France	Joseph-Marie-Blaise Coulomb	Toulon	Blonde	Coquette-class corvette	For French Navy.[2]
20 January	Kingdom of France		Havre de Grâce	Brune	Coquette-class corvette	For French Navy.
23 February	Kingdom of France		Rochefort	Illustre	Magnamine-class ship of the line	For French Navy.
26 February	Spain		El Ferrol	Santo Domingo	Fourth rate	For Spanish Navy.[3]
5 March	Kingdom of France		Toulon	La Belette	Coquette-class Corvette	For French Navy.[4]
7 March	Great Britain	Randall & Brent	River Thames	King George	Merchantman	For Hudson's Bay Company.
10 March	Great Britain	Nicholas Phillips	Chatham Dockyard	Dolphin	Roebuck-class ship	For Royal Navy.[5]
10 March	Kingdom of France	Daniel & Jacques Denys	Dunkerque	Lézard	Cerf-class cutter	For French Navy.
12 March	Great Britain	Peter Baker	Liverpool	Assistance	Portland-class ship of the line	For Royal Navy.
12 March	Kingdom of France		Dunkerque	Le Malin	Cert-class cutter	For French Navy.[6]
13 March	Great Britain	John Perry	Blackwall	Earl of Chesterfield	East Indiaman	For British East India Company.
13 March	Great Britain	John Perry	Blackwall	Earl of Hertford	East Indiaman	For British East India Company.
13 March	Great Britain	Edward Greaves	Limehouse	Latona	Fifth rate	For Royal Navy.
22 March	Kingdom of France		Toulon	Poulette	Coquette-class corvette	For French Navy.
26 March	Great Britain	John Wells	Deptford	Deptford	East Indiaman	For British East India Company.
26 March	Great Britain	Nicholas Phillips & George White	Portsmouth Dockyard	Eurydice	Porcupine-class post ship	For Royal Navy.
10 April	Great Britain	Henry Adams	Bucklers Hard	Agamemnon	Ardent-class ship of the line	For Royal Navy.
10 April	Great Britain	Hilhouse	Bristol	Arethusa	Minerva-class frigate	For Royal Navy.[7]
10 April	Great Britain	John Randall & Co.	Rotherhithe	Perseverance	Fifth rate	For Royal Navy.
10 April	Great Britain	John Sutton	Liverpool	Success	Amazon-class frigate	For Royal Navy.
11 April	Great Britain	Barnard	Deptford	Africa	Inflexible-class ship of the line	For Royal Navy.
12 April	Dutch Republic	Jacob Spaan	Dordrecht	Hercules	Third rate	For Dutch Navy.[8]
24 April	Great Britain	George White	Portsmouth Dockyard	Crocodile	Porcupine-class post ship	For Royal Navy.[9]
1 May	Dutch Republic	P. Glavimans	Harlingen	Pallas	Frigate	For Dutch Navy.[10]
1 May	Spain		El Ferrol	Santa Sabina	Fifth rate	For Spanish Navy.[11]
8 May	Great Britain	John Jenner	Woolwich Dockyard	Sampson	Intrepid-class ship of the line	For Royal Navy.[12]
9 May	Great Britain		Plymouth Dockyard	Narcissus	Sphinx-class post ship	For Royal Navy.
9 May	Great Britain	Henry Ladd	Dover	Tisiphone	Tisiphone-class fireship	For Royal Navy.[13]
22 May	Russia	M. D. Portnov	Archangelsk	Nadezhda	Modified Pavel-class frigate	For Navy.[14]
22 May	Russia	M. D. Portnov	Archangelsk	Podrazhislav	Modified Pavel-class frigate	For Imperial Russian Navy.[15]
22 May	Russia	M. D. Portnov	Archangelsk	Slava	Modified Pavel-class frigate	For Imperial Russian Navy.[16]
22 May	Russia	M. D. Portnov	Archangelsk	Sviatoslav	Aziia-class ship of the line	For Imperial Russian Navy.[17]
22 May	Russia	M. D. Portnov	Archangelsk	Trekh Sviatitelei	Aziia-class ship of the line	For Imperial Russian Navy.[18]
22 May	Russia	M. D. Portnov	Archangelsk	Vysheslav	Aziia-class ship of the line	For Imperial Russian Navy.[19]
24 May	Great Britain	George Parsons	Bursledon	Quebec	Active-class frigate	For Navy.
26 May	Great Britain	Thomas King	Dover	Alecto	Tisiphone-class fireship	For Royal Navy.[20]
May	Great Britain	Thomas King	Dover	Pigmy	Unrated Alert-class Cutter (boat)	For Royal Navy.[21]
5 June	Kingdom of France	Jean-Denis Chevilard	Rochefort	Argonaute	Argonaute-class ship of the line	For French Navy.[22]
6 June	Kingdom of France	Jean-Denis Chevillard	Rochefort	Brave	Argonaute-class ship of the line	For French Navy.[23]
7 June	Great Britain	John Baker & Co.	Newcastle upon Tyne	Argo	Roebuck-class ship	For Royal Navy.
8 June	Kingdom of France		Havre de Grâce	Le Chameau	Dromadaire-class Flûte (ship)	For French Navy.[24]
8 June	Great Britain	John Randall	Rotherhithe	Sceptre	Inflexible-class ship of the line	For Royal Navy.
9 June	Great Britain	Adam Hayes	Deptford Dockyard	Myrmidon	Sixth rate	For Royal Navy.[25]
22 June	Kingdom of France	Daniel & Jacques Denys	Dunkerque	Espion	Levrette-class cutter	For French Navy.
22 June	Spain		El Ferrol	San Felipe Apóstol	Fourth rate	For Spanish Navy.[26]
23 June	Kingdom of France		Dunkerque	La Fanfaron	Cerf-class Cutter (boat)	For French Navy.[27]
3 July	Great Britain	Thomas King	Dover	Cockatrice	Alert-class cutter	For Royal Navy.
8 July	Dutch Republic		Rotterdam	Kortenaer	Third rate	For Dutch Navy.[28]
13 July	Great Britain	John Barnard	Deptford	Dutton	East Indiaman	For British East India Company.
24 July	Great Britain	Robert Fabian	East Cowes	Astraea	Active-class frigate	For Royal Navy.
14 August	Kingdom of France		Toulon	Durance	Rhône-class scow	For French Navy.
19 August	Kingdom of France	Benjamin Dubois	Saint-Malo	Cléopâtre	Vénus-class frigate	For French Navy.[29]
22 August	Great Britain	Barnard	Deptford	Warren Hastings	East Indiaman	For British East India Company.
August	Kingdom of France		Brest	Couronne	Saint-Esprit-class ship of the line	For French Navy.
4 September	Great Britain	John Henslow	Plymouth Dockyard	Anson	Intrepid-class ship of the line	For Royal Navy.[30]
19 September	Great Britain	Webb Fearon	Liverpool	Ceres	Active-class frigate	For Royal Navy.[31]
15 October	Kingdom of France		Brest	Pégase	Pégase-class ship of the line	For French Navy.[32]
18 October	Great Britain	Peter Baker	Liverpool	Ariel	Zebra-class sloop	For Royal Navy.[33]
18 October	Great Britain	Hilhouse	Bristol	Diomede	Roebuck-class ship	For Royal Navy.
18 October	Great Britain	George White	Portsmouth Dockyard	Warrior	Alfred-class ship of the line	For Royal Navy.[34]
19 October	Great Britain	Adam Hayes	Deptford Dockyard	Goliath	Arrogant-class ship of the line	For Royal Navy.[35]
29 October	Kingdom of France	Joseph-Marie-Blaise Coulomb	Toulon	Iris	Magicienne-class frigate	For French Navy.[36]
October	Great Britain	John Fisher	Liverpool	Racehorse	Sloop of war	For Royal Navy.[37]
October	Great Britain	Robert Fabian	East Cowes	Swallow	Cutter	For Royal Navy.[38]
4 November	Russia	I. V. James	Saint Petersburg	Gektor	Sixth rate	For Imperial Russian Navy.[39]
4 November	Russia	I. V. James	Saint Petersburg	Provornyi	Evangelist Mark-class frigate	For Imperial Russian Navy.[40]
17 November	Great Britain	William Barnard	Deptford	Andromache	Amazon-class frigate	For Royal Navy.
16 December	Dutch Republic	J. Swerus	Harlingen	Harlingen	Fifth rate	For Dutch Navy.[41]
December	Kingdom of France		Havre de Grâce	Autruche	Dromadaire-class Flûte (ship)	For French Navy.
December	Kingdom of France		Havre de Grâce	La Lourde	Dromadaire-class Flûte (ship)	For French Navy.[42]
Unknown date	Great Britain		Sunderland	Achilles	Merchantman	For Michael Humble and Stephen Todd.
Unknown date	Great Britain	Fishburn & Brodrick	Whitby	Ann and Amelia	Merchantman	For John Julius Angerstein.
Unknown date	United States	Paul	Boston, Massachusetts	Belisarius	Privateer	For Massachusetts State Navy.[43]
Unknown date	Great Britain		River Thames	Boddington	West Indiaman	For Mr. Boddington.
Unknown date	Dutch Republic	P. van Zwijndregt	Rotterdam	Braak	Cutter	For Dutch Navy.
Unknown date	Great Britain			Brooks	Slave ship	For J. Brook.
Unknown date	Dutch Republic		Rotterdam	Centaurus	Fourth rate	For Dutch Navy.[44]
Unknown date	United States			Chambers	Merchantman	For private owner.
Unknown date	Great Britain	John Wells	Deptford	Duke of Atholl	East Indiaman	For British Eas India Company.[45]
Unknown date	Great Britain	John Perry	Blackwall	Europa	East Indiaman	For British East India Company.
Unknown date	Dutch Republic			Expeditie	Frigate	For Dutch Navy.[46]
Unknown date	Dutch Republic			Faam	Uitlegger	For Dutch Navy.[47]
Unknown date	Great Britain	John Barnard	Rotherhithe	Fairford	East Indiaman	For British East India Company.[48]
Unknown date	Dutch Republic		Amsterdam	Gelderland	Third rate	For Dutch Navy.[49]
Unknown date	Great Britain	Barnard		General Coote	East Indiaman	For British East India Company.
Unknown date	Dutch Republic		Vlissingen	Goes	Fourth rate	For Dutch Navy.[50]
Unknown date	United States	Thomas Barstow	Hanover, Massachusetts	Grand Turk	Privateer	For Massachusetts State Navy.[51]
Unknown date	United States			Grand Turk	Privateer	For Virginia State Navy.[52]
Unknown date	Great Britain		Bristol	Hector	West Indiaman	For John Maxse.
Unknown date	Dutch Republic		Amsterdam	Hercules	Privateer	For private owner.
Unknown date	Ottoman Empire		Constantinople	Inayet-i Hakk	Fourth rate	For Ottoman Navy.[53]
Unknown date	Dutch Republic	P. van Zwijndrecht	Rotterdam	Kemphaan	Aviso	For Dutch Navy.
Unknown date	Kingdom of Great Britain	Wells	Deptford	Kent	East Indiaman	For William Moffatt.
Unknown date	Kingdom of France		Saint-Malo	La Marquise de St. Pern	Privateer	For private owner.[54]
Unknown date	Kingdom of France		Dunkerque	La Royale	Privateer	For private owner.[55]
Unknown date	Dutch Republic			Mars	Privateer	For private owner.
Unknown date	Dutch Republic			Meeuw	Uitlegger	For Dutch Navy.[56]
Unknown date	Dutch Republic			Mercuur	Cutter	For Dutch Navy.
Unknown date	United States		New England	Mentor	Merchantman	For private owner.
Unknown date	Kingdom of France		Nantes	Musette	Merchantman	For private owner.
Unknown date	Great Britain		Folkestone	Nimble	Merchantman	For private owner.
Unknown date	Great Britain	Philemon Jacobs	Folkestone	Nimble	Cutter	For Royal Navy.[57]
Unknown date	India		Calcutta	Nonsuch	Merchantman	For John Canning & Henry Watson.
Unknown date	Great Britain		Bristol	Orange Valley	West Indiaman	For private owner.
Unknown date	Dutch Republic		Rotterdam	Pollux	Fourth rate	For Dutch Navy.[58]
Unknown date	Dutch Republic		Rotterdam	Snelheid	Cutter	For Dutch Navy.[59]
Unknown date	Dutch Republic		Medemblik	Snelheid	Cutter	For Dutch Navy.[60]
Unknown date	Dutch Republic		Amsterdam	Unie	Third rate	For Dutch Navy.[61]
Unknown date	Dutch Republic		Amsterdam	Utrecht	Third rate	For Dutch Navy.[62]
Unknown date	Great Britain			Virginia	Privateer	For private owner.[63]
Unknown date	Dutch Republic			Waakzaamheid	Uitlegger	For Dutch Navy.[64]
Unknown date	Dutch Republic	Zwindrecht	Rotterdam	Wassenaar	Third rate	For Dutch Navy.
Unknown date	Great Britain		Whitby	William and Ann	Merchantman	For private owner.
Unknown date	Dutch Republic			Windhond	Sixth rate	For Dutch Navy.[65]
Unknown date	Dutch Republic			Zeebaars	Unrated	For Dutch Navy.[66]
Unknown date	Dutch Republic			Zeemeeuw	Unrated	For Dutch Navy.[67]
Unknown date	Dutch Republic		Rotterdam	Zephier	Cutter	For Dutch Navy.[68]
Unknown date	Dutch Republic		Amsterdam	Name unknown	Merchantman	For private owner.
Unknown date	Kingdom of France			Name unknown	West Indiaman	For private owner.
Unknown date	Kingdom of France			Name unknown		For unknown owner.
Unknown date	Kingdom of France			Name unknown	Merchantman	For private owner.
Unknown date	United States			Name unknown	Merchantman	For private owner.
Unknown date	United States			Name unknown	Merchantman	For private owner.
Unknown date	United States			Name unknown	Merchantman	For private owner.
Unknown date	Unknown			Name unknown	Merchantman	For private owner.