Last name Gagnepain (Gagnepain 
) , in the world, is a rare surname. The family name Gagnepain is habitual in France, where it is a rare surname, Switzerland, where it is a very rare surname, and the United States. Not in comparison with a country's population, it is the most numerous in France, the United States, and South Africa. Much less frequently, Gagnepain is the forename as well as the last name.
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| Gagnepain | Switzerland, France, Australia, United States, South Africa |
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françois gagnepain French botanist (1866-1952), FR (b. 1866) |
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| léon françois gagnepain botanist (1891-1918) (b. 1891) |
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| jean gagnepain French linguist, FR (b. 1923) |
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| bernard gagnepain French musicologist, FR (b. 1927) |
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| roger gagnepain French politician, FR (b. 1937) |
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| philippe gagnepain French politician, FR (b. 1949) |
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| xavier gagnepain FR (b. 1960) |
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| christophe gagnepain French politician, FR (b. 1970) |
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| brigitte gagnepain FR (b. 1966) |
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| pierre gagnepain researcher |
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| pierre gagnepain (b. 1980) |
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| jean-jacques gagnepain |
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Mr, John, Joan, Jean, June, Tony, Tina, Eric, Evan, Hugo, Frã, Yann, Maria, Marie, Mandy, Miles, Sarah, Simon, Sonia, Scott, Alain, Anais, Léa, Amber, Luke, Lisa, Ms, Sã, Amy, Cã, Ron, Jim, Eva, Vã, Marc, Mary, Mark, Alex, Anne, Adan, Caro, Brad, Paul, Rick, Ryan, Gary, Gina, Loic, and Aaron