In the world, Vilhjálmur (Vilhjálmur 
) is a very rare boy's given name. The forename Vilhjálmur is habitual in Northern Europe, particularly Iceland, where it is quite a common masculine name. Very seldom, Vilhjálmur is the last name as well as the forename.
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| Vilhjálmur | United States, Denmark, Iceland |
Vilhelm, Vilhjalmur, and William
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vilhjálmur finsen Danish judge (1823-1892), IS (b. 1823) |
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vilhjálmur stefánsson Canadian-born explorer (1879–1962), CA (b. 1879) |
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| vilhjálmur finsen Icelandic diplomat, IS (b. 1883) |
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vilhjálmur vilhjálmsson Icelandic singer (1945-1978), IS (b. 1945) |
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| vilhjálmur þór Icelandic politician, IS (b. 1899) |
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| vilhjálmur hjálmarsson Icelandic politician (1914-2014), IS (b. 1914) |
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| vilhjálmur vilmundarson Icelandic athletics competitor, IS (b. 1929) |
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| vilhjálmur einarsson Icelandic athlete (1934-2019), IS (b. 1934) |
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| vilhjálmur þ. vilhjálmsson Icelandic mayor, IS (b. 1946) |
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| vilhjálmur bjarnason Icelandic politician, IS (b. 1952) |
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| vilhjálmur kjartansson association football player (b. 1952) |
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| vilhjálmur árnason Icelandic philosopher, IS (b. 1953) |
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| vilhjálmur egilsson (b. 1952) |
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| vilhjálmur árnason researcher |
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| vilhjálmur steingrímsson researcher |
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Bergs, Hannesson, Hjörleifsson, Ingólfsson, Ólafsson, Þórisson, Þorsteinsson, Manfredsson, Matthíasson, Sigurðsson, Stefánsson, Pétursson, Róbertsson, Guðmundsson, Jakobsson, Halldórsson, Hilmarsson, Ásgeirsson, Ragnarsson, Theodórsson, Haraldsson, Vilhjalmsson, Egilsson, Eiríksson, Einarsson, Elfarsson, Leví, Svansson, Kvaran, Þrastarson, Birnisson, Pálmason, Pálsson, Jensson, Jónsson, Nielsen, Þórarinsson, Hallsson, Hjálmarsson, Árnason, Magnússon, Sigurhjartarson, Sverrisson, Arnarsson, Baldursson, Björnsson, Bjarnason, Gissurarson, Hauksson, and Vilhjálmsson