Globally, Sylfest (Sylfest 
) is a very rare boy's given name. The forename Sylfest is habitual in Northern Europe, particularly Norway, where it is a rare male name. Also, Sylfest is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sylfest | Norway, South Africa, United States |
Silvester, Silvestro, Sylvester, Sylvestre, Sylwester, Szilveszter, Sølfest, Силвестер, Силвестр, Сильвестер, Сильвестр, Сільвестер, Сільвестр, سيلفستر, and 西尔维斯特
| sylfest skrinde (b. 1732) |
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| sylfest muldal NO (b. 1872) |
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sylfest lomheim Norwegian philologist, NO (b. 1945) |
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| sylfest gjessing Norwegian teacher (b. 1916) |
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| sylfest glimsdal Norwegian biathlete, NO (b. 1966) |
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| sylfest glimsdal Dr.scient. Universitetet i Oslo 2006 |
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