Cognomen Gaidon (Gaidon 
) , all over the world, is a rare surname. The cognomen Gaidon is characteristic of France, where it is a rare surname, Switzerland, and Tanzania, where it is a very rare surname. Much less frequently, Gaidon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gaidon | Tanzania, India, Switzerland, Mexico, France |
| antonio gaidon Italian architect, urban planner and naturalist (1738-1829), IT (b. 1738) |
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| marius gaidon French actor, FR (b. 1912) |
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| maurice gaidon Roman Catholic bishop (1928-2011), FR (b. 1928) |
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| alain gaidon French politician, FR (b. 1959) |
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