Cognomen Buade (Buade 
) , in all the world, is a rare last name. The last name Buade is habitual in Nigeria, where it is a very rare surname, India, where it is an extremely rare surname, and Argentina. Not in comparison with a country's population, it is the most numerous in India, Nigeria, and the United States. Very seldom, Buade is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Buade | Argentina, Spain, United States, India, Nigeria |
| antoine de buade French soldier and diplomat (b. 1567) |
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| henri de buade French aristocrat (b. 1596) |
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| geoffroy de buade, seigneur de frontenac |
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| garcie-arnaud de buade |
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| bernard de buade, seigneur de saint-sernin-de-labarde |
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