Across the world, Mari-Ann (Mari-Ann 
) is a rare feminine first name. The first name Mari-Ann is characteristic of Estonia, where it is a rare female name, Sweden, and Philippines. In absolute terms, it is the most numerous in Philippines, the United States, and Sweden. Parts of the name also exists independently as a first name Mari, and a first name Ann.
| VARIANT | COUNTRY |
|---|---|
| Mari-Ann | Sweden, Norway, Philippines, United States, Denmark |
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mari-ann einarsrud Norwegian chemist and professor, NO (b. 1960) |
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| mari-ann aavik-roosaar (b. 1924) |
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| mari-ann karupää Estonian journalist, EE (b. 1937) |
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| mari-ann hütt Estonian architect, EE (b. 1943) |
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| mari-ann klougart Danish tennis player (b. 1947) |
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| mari-ann letnes Norwegian author (b. 1969) |
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| mari-ann einarsrud researcher (ORCID 0000-0002-3017-1156) |
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| mari-ann leijonhufvud born gavel Swedish baroness |
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| mari-ann flyvholm researcher (ORCID 0000-0002-8942-754X) |
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| mari-ann wallander Swedish researcher, SE |
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| mari-ann otkjaer da silva researcher (ORCID 0000-0002-3623-4867) |
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| mari-ann flyvholm |
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| mari-ann ploompuu Estonian association football player, EE (b. 1998) |
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Bui, Dejulio, Leivalt, Tierney, Nielsen, Ignacio, Widhalm, Macneill, Sullivan, Amundsen, Castenvik, Karlsson, Petersen, Pedersen, Jennings, Williams, Maglasang, Mortensen, Alexander, Andersson, Torgersen, Kristensen, Carlson, Carreon, Sveitel, Montoya, Tee, Sepp, Bell, Lane, Wise, Scott, Smith, Sæle, Allen, Kaare, Torrefranca, Green, Henry, Massey, Meling, Clarke, Garcia, Lataza, Jensen, Hansen, Walker, Wilson, Evans, and Kristiansen