The list of ship launches in 1755 includes a chronological list of some ships launched in 1755.

Date	Country	Builder	Location	Ship	Class	Notes
14 February	Great Britain	Sir Thomas Slade	Deptford Dockyard	Medway	Medway-class ship of the line	For Royal Navy.[1]
22 June	Spain	Arsenal de la Carraca	Cádiz	Firme	Africa-class ship of the line	For Spanish Navy.[2]
7 July	Russia	Kronong	Saint Petersburg	Iupiter	Bomb vessel	For Imperial Russian Navy.[3]
12 July	Kingdom of France	Nicholas Levesque	Lorient	Le Duc de Berry	East Indiaman	For Compagnie des Indes.[4]
23 July	Kingdom of France	Joseph-Marie Blaise Coulomb	Toulon	Hector	Hector-class ship of the line	For French Navy.[5]
20 August	Kingdom of France	Pierre Salinoc	Brest	Sphinx	Sphinx-class ship of the line	For French Navy.[6]
7 September	Kingdom of France		Havre de Grâce	Brune	Blonde-class frigate	For French Navy.
22 September	Spain	Guillermo Turner	Reales Astilleros de Esteiro, El Ferrol	Hector	Third rate	For Spanish Navy.[7]
27 September	India		Bombay	Revenge	East Indiaman	For British East India Company.[8]
29 September	Great Britain	John Wells	Deptford	Caernarvon	East Indiaman	For British East India Company.[9]
1 October	Kingdom of France	Noel Pomet	Toulon	Le Vaillant	Third rate	For French Navy.[10]
20 October	Kingdom of France	Claude Saucillon	Brest	La Bretonne	Galley	For French Navy.[11]
21 October	Great Britain	Adam Hayes	Deptford Dockyard	Cambridge	Third rate	For Royal Navy.[12]
21 October	Spain	Matthew Mullins	Cádiz	Ventura	Sixth rate	For Spanish Navy.[13]
23 October	Kingdom of France	Gilles Cambry	Lorient	Le Moras	Duc de Penthière-class East Indiaman	For Compagnie des Indes.[14]
23 October	Great Britain	Edward Allin	Woolwich	Squirrel	Sixth rate	For Royal Navy.
4 December	Great Britain	Israel Pownoll	Plymouth Dockyard	Plymouth	Yacht	For Royal Navy.[15]
Unknown date	Kingdom of France	Elzear de Sabran-Grammont	Toulon	Chaloupe Canonniere No. 1	Gunboat	For French Navy.[16]
Unknown date	Kingdom of France	Elzear de Sabran-Grammont	Toulon	Chaloupe Canonniere No. 2	Gunboat	For French Navy.[17]
Unknown date	Kingdom of France	Elzear de Sabran-Grammont	Toulon	Chaloupe Canonniere No. 3	Gunboat	For French Navy.[18]
Unknown date	Kingdom of France	Elzear de Sabran-Grammont	Toulon	Chaloupe Canonniere No. 4	Gunboat	For French Navy.[19]
Unknown date	Kingdom of France	Elzear de Sabran-Grammont	Toulon	Chaloupe Canonniere No. 5	Gunboat	For French Navy.[20]
Unknown date	Kingdom of France	Elzear de Sabran-Grammont	Toulon	Chaloupe Canonniere No. 6	Gunboat	For French Navy.[21]
Unknown date	Spain			Conquestador	Fourth rate	For Spanish Navy.
Unknown date	Spain	David Howell	Guarnizo	Constante	Third rate	For Spanish Navy.[22]
Unknown date	Regency of Algiers	Charles Bentham	Algiers	Dankbaarheid	Sixth rate	For Dutch Navy.[23]
Unknown date	Thirteen Colonies		Fort Niagara, New York	Earl of Loudon	Sloop of war	For Royal Navy.[24]
Unknown date	Thirteen Colonies		Oswego, New York	George	Schooner	For Royal Navy.[25]
Unknown date	Spain	Reales Astilleros de Esteiro	El Ferrol	Glorioso	Third rate	For Spanish Navy.[26]
Unknown date	Spain	Guillermo Turner	Reales Astilleros de Esteiro, El Ferrol	Guerrero	Third rate	For Spanish Navy.[27]
Unknown date	New France	Louis-Pierre Poulin de Cressé	Quebec City	La Louise	Schooner	For French Navy.[28]
Unknown date	Dutch Republic	Charles Bentam	Amsterdam	Landskroon	Fourth rate	For Dutch Navy.[29]
Unknown date	New France	Louis-Pierre Poulin de Cressé	Quebec City	La Victor	Schooner	For French Navy.[30]
Unknown date	New France		Fort Cataraqui	Le Marquis de Vaudreuil	Schooner	For French Navy.[31]
Unknown date	Thirteen Colonies		Oswego, New York	Ontario	Sloop of war	For Royal Navy.[32]
Unknown date	Thirteen Colonies		Oswego, New York	Oswego	Sloop of war	For Royal Navy.[33]
Unknown date	Dutch Republic	Charles Bentam	Amsterdam	Schieland	Fourth rate	For Dutch Navy.[34]
Unknown date	Spain	Guillermo Turner	Reales Astilleros de Esteiro, El Ferrol	Soberano	Third rate	For Spanish Navy.[35]
Unknown date	Great Britain			Stormont	East Indiaman	For British East India Company.[36]
Unknown date	Spain	Edward Bryant	Arsenal de Cartagena	Terrible	Terrible-class ship of the line	For Spanish Navy.[37]
Unknown date	Thirteen Colonies		Oswego, New York	Valiant	Schooner	For Royal Navy.[38]
Unknown date	Spain	Reales Astilleros de Esteiro	El Ferrol	Vencedor	Third rate	For Spanish Navy.[39]
Unknown date	Dutch Republic	Peter Edwards	Amsterdam	Weststellingwerf	Sixth rate	For Dutch Navy.[40]