Cognomen Riquier (Riquier 
) , across the world, is quite a rare surname. The last name Riquier is habitual in France, where it is quite a rare surname, Belgium, where it is a rare surname, and Australia. In absolute terms, it is the most numerous in France, the United States, and Canada. Much less frequently, Riquier is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Riquier | Germany, Belgium, United States, Canada, France |
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riquier de centule French saint, FR (b. 600) |
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| angelramnus de saint riquier author, FR (b. 975) |
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| guiraut riquier Occitan poet and composer, FR (b. 1230) |
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jacques françois riquier French politician (1737-1824), FR (b. 1737) |
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| charles riquier French mathematician, FR (b. 1853) |
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| giuseppe carlo riquier Italian neuropsychiatrist (1886-1962), IT (b. 1886) |
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| georges riquier Belgian architect (1902-1963), BE (b. 1902) |
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dominique riquier FR (b. 1953) |
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| georges riquier French actor (1918-1998), FR (b. 1918) |
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| ann riquier French journalist, FR (b. 1947) |
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| aline riquier (b. 1952) |
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| camille riquier French philosopher, FR (b. 1974) |
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| laurent riquier researcher ORCID ID = 0000-0001-5510-2061 (b. 1979) |
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| sylvain riquier French archivist and diplomat, FR |
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| jérémie riquier researcher (b. 1986) |
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