Family name Launoy (Launoy 
) , in all the world, is a rare cognomen. The family name Launoy is habitual in Western Europe, particularly France, where it is a rare surname, Belgium, and Austria.
| VARIANT | COUNTRY |
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| Launoy | Austria, Belgium, United States, France |
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jean de launoy French historian, FR (b. 1603) |
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| jean-barthélémy de launoy FR (b. 1753) |
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| jane de launoy belgian war nurse (1881-1953), BE (b. 1881) |
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| léon launoy FR (b. 1876) |
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| guy launoy researcher (ORCID 0000-0002-7052-0242) |
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| claudie launoy French politician, FR (b. 1987) |
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| bonaventura de launoy |
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| guy launoy |
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Mr, Cindy, Kevin, Roger, Renan, David, Laura, Leila, Linda, Loïc, Julia, Théo, Noël, Henri, Felix, Marina, Marine, Maryne, Maxime, Morgan, Michel, Mikael, Clara, Annie, Andre, Alain, Ms, Seb, Guy, Tom, Marc, Maud, Stef, Stã, Anne, Anny, Solene, Rene, Léa, Jean, Theo, Eddy, Eric, Enzo, Emma, Frã, Yves, Marie, Remy, and Sylvie