Cognomen Couzin (Couzin 
) , in the world, is a rare family name. The family name Couzin is habitual in France, where it is a rare surname, Australia, where it is a very rare surname, and Mexico. In absolute terms, it is commonest in France, the United States, and Mexico. Much less frequently, Couzin is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Couzin | Mexico, United Kingdom, United States, France, Australia |
| lea couzin Belgian actress, BE (b. 1934) |
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| robert couzin American lawyer (1945-), US (b. 1945) |
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| couzin ed American DJ, US (b. 1968) |
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| iain couzin British scientist (b. 1974) |
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| j. couzin researcher |
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| i.d. couzin researcher |
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| chloé couzin researcher |
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| iain douglas couzin |
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Mr, Maria, Marie, Marco, Manon, Murry, Sally, Sabri, Susan, Andre, Annie, Abder, Clara, Craig, Cindy, Brian, Bruna, Karen, Kenya, Peter, Pedro, Raoul, Iain, Erin, Eric, Else, Ms, Oh, Ali, Amy, Cã, Pam, Roy, Guy, Mary, Mark, Denis, Mike, Aiie, Pete, Dean, Gary, Léa, Jose, John, Jean, Jill, Nick, Alma, and Devin