Cognomen Plaquet (Plaquet 
) , in the entire world, is a rare last name. The surname Plaquet is habitual in Belgium, where it is quite a rare surname, France, and Canada, where it is a very rare surname. Measured by absolute frequency, it is commonest in France, Belgium, and the United States. Very seldom, Plaquet is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Plaquet | Hungary, Belgium, Canada, United States, France |
| charles vincent du plaquet French politician, FR (b. 1730) |
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| frederic plaquet French politician, FR (b. 1965) |
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| therese plaquet Peerage person ID=96217 |
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| dorothee plaquet BE |
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Mr, Luna, Jose, John, Jean, Tess, Eddy, Eric, Fred, Yves, Marie, Mario, Merry, Sarah, Stijn, Scott, Splaquet, Aline, Alain, Andre, Anais, Aaron, Lisa, Cyril, Doan, Rudy, Ms, Sã, Amy, Guy, Gil, Lan, Jan, Tom, Evy, Marc, Mary, Mark, Mike, Anne, Chad, Clã, Bart, Kate, Paul, Rene, Rick, Davy, and Betty