Cognomen Boillat (Boillat 
) , in all the world, is quite a rare family name. The cognomen Boillat is characteristic of Switzerland, where it is quite a common surname, El Salvador, where it is quite a rare surname, and France, where it is a rare surname. Not in comparison with a country's population, it is commonest in Switzerland, France, and the United States. Very seldom, Boillat is the forename as well as the last name.
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| Boillat | Switzerland, France, United States, El Salvador, Argentina |
| justin boillat French poet (b. 1854) |
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| fernand boillat (1906-1997), CH (b. 1906) |
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| laurent boillat Swiss sculptor (1911-1985), CH (b. 1911) |
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| marcel boillat Swiss politician (1929-2020), CH (b. 1929) |
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| thomas boillat researcher ORCID ID = 0000-0002-4684-8969 |
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| laurence boillat researcher (ORCID 0000-0002-7490-1384) |
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| stefania maffei boillat philologist |
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| pierre boillat researcher ORCID ID = 0000-0002-5683-8086 |
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| eric boillat Ph.D. École Polytechnique Fédérale de Lausanne 1992 |
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| sébastien boillat researcher |
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| valérie boillat (b. 1971) |
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| alain boillat (b. 1972) |
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| christine boillat CH (b. 1978) |
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| johann boillat (b. 1978) |
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| christophe boillat |
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