Cognomen Troupin (Troupin 
) , all over the world, is a rare surname. The family name Troupin is habitual in Western Europe, particularly Belgium, where it is quite a rare surname, France, where it is a rare surname, and Netherlands, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in Belgium, France, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Troupin | Netherlands, Belgium, United Kingdom, United States, France |
| georges m.d.j. troupin Belgian botanist (1923–1997), BE (b. 1923) |
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| charles troupin researcher |
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| david troupin researcher |
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Mr, Wendy, Andrea, Ashley, Karine, Pierre, Romain, Didier, Lionel, Julien, Emilie, Harold, Xavier, Mathieu, Maurice, Mylène, Charles, Carolyn, Barbara, Bernard, Kristel, Patrick, Elisa, Josã, José, Jason, Ms, Amy, Guy, Hal, Marc, Mary, Mark, Anne, Léa, Jean, Pascale, Tess, Hans, Simon, Steve, Stacy, Alain, Allan, Cindy, Brian, Peggy, David, Eric, and Richard