Throughout the world, Oļģerts (Ольгерт 
, Oļģerts 
) is a rare masculine given name. The forename Oļģerts is habitual in Latvia, where it is quite a rare masculine name, Russia, where it is a very rare boy's name, and Ukraine, where it is a very rare predominantly boy's, but very seldom female name.
| VARIANT | COUNTRY |
|---|---|
| Ольгерт | Ukraine, Russia, Kazakhstan, Belarus |
| Oļģerts | Latvia |
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oļģerts grosvalds Latvian politician (1884-1962), LV (b. 1884) |
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| oļģerts kreišmanis Latvian musician, LV (b. 1904) |
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| oļģerts bištēviņš LV (b. 1907) |
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| oļģerts krastiņš Latvian politician and officer (1917-1941), LV (b. 1917) |
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| oļģerts ābelīte LV (b. 1909) |
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| oļģerts altbergs Latvian basketball player (1921-1998), LV (b. 1921) |
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| oļģerts kroders Latvian actor (1921-2012), LV (b. 1921) |
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| oļģerts hehts Latvian basketball player, LV (b. 1931) |
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| oļģerts šalkonis Latvian actor, LV (b. 1931) |
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| oļģerts dunkers Soviet film director, LV (b. 1932) |
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| oļģerts pavlovskis Latvian politician, LV (b. 1934) |
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| oļģerts jurgensons Latvian basketball player (b. 1940) |
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| oļģerts nikodemus Latvian geographer, LV (b. 1954) |
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