Surname Launay (Launay 
, لوني 
, Лоне 
) , in all the world, is a common cognomen. The family name Launay is characteristic of France, where it is quite a common surname, Iran, where it is quite a rare surname, and Libya. Not in comparison with a country's population, it is commonest in France, Iran, and Sudan. Very seldom, Launay is the forename as well as the last name.
| pierre de launay (b. 1573) |
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marguerite jeanne cordier de launay, baronne de staal French author and lady-in-waiting, FR (b. 1684) |
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| alain gaillard de launay FR (b. 1653) |
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bernard-rené jordan de launay Commander of the Bastille, FR (b. 1740) |
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| jean-baptiste le corgne de launay FR (b. 1724) |
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| jean-baptiste mosneron de launay French politician (1738-1830), FR (b. 1738) |
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| louis de launay Belgian naturalist (b. 1740) |
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| jean-claude-michel mordant de launay French botanist (1750-1816), FR (b. 1750) |
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| claude jean veau de launay (b. 1755) |
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| jean aulay de launay French soldier, FR (b. 1765) |
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| jean-baptiste launay French founder (1768-1827), FR (b. 1768) |
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| augustin claude le provost de launay French official (1796-1851), FR (b. 1796) |
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adrien-charles launay French Catholic priest, FR (b. 1853) |
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| gervais launay (1804-1891) (b. 1804) |
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| jules belin de launay (b. 1814) |
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