Family name Lefay (Lefay 
) , in the world, is a rare cognomen. The last name Lefay is characteristic of France, where it is a rare surname, Hong Kong, and Czechia. Not in comparison with a country's population, it is the most numerous in France, the United States, and Hong Kong. Much less frequently, Lefay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lefay | Hong Kong, Australia, France, Czechia, United States |
|
véronique lefay French pornographic film actress and producer, FR (b. 1964) |
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| julian lefay Video game programmer (b. 1965) |
|
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| catherine lefay researcher |
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Mr, Nico, Eric, Yves, Maria, Sandy, Sarah, Sacha, Susan, Serge, Joel, Alain, Allen, Annie, Chloe, Carla, Cyril, Basil, Bobby, Brent, Karen, Alban, John, Léa, Lynn, Ms, Kim, Dan, Guy, Leo, Lea, Jon, Marc, Mona, Mira, Sean, Alex, Anne, Agda, Aude, Paul, Gary, Leia, Lily, Lisa, Loic, Katia, and Renae