Oleg, a stoic Eastern Slavic name traced to the Old Norse Helgi, means “holy” or “blessed.” It conjures images of 9th-century princes—most notably Oleg of Novgorod—steering Kievan Rus politics with the precision of a Persian astronomer charting constellations. Phonetically, OH-leh-h in Ukrainian and OH-lek in Russian, it carries the crisp consonants of frost-tipped landscapes. In the United States, few parents have embraced Oleg—perhaps they await the return of the Varangians—yet it peaked at rank 645 in 1968 and settled near 918 by 2024, a trend as shifting as desert sands. Though it remains under the radar, its layered heritage offers discreet strength, whispering ancient sagas across generations like a wind carrying secrets through time.
| Oleg Vassiliev was a Russian nonconformist painter who moved to the United States in 1990. |
| Oleg Cassini was a Russian-born fashion designer who built his reputation creating costumes for Hollywood films. |
| Oleg Gordievsky was a KGB colonel and London bureau chief who secretly spied for Britain. |
| Oleg Penkovsky was a Soviet intelligence officer who secretly shared information with the United States and the United Kingdom in the early 1960s. |
| Oleg Yankovsky was a Soviet and Russian actor known for his complex roles and honored as one of the last People's Artists of the USSR. |
| Oleg Viktorovich Boyko is an international investor based in Switzerland and chairman of Finstar Financial Group. |
| Oleg Kononenko is a Russian cosmonaut who has traveled to the International Space Station five times. |
| Oleg Antonov was a Russian and Soviet aircraft designer who founded the aviation company now named in his honor. |
| Oleg Nikolaenko is a Russian cybercriminal known for creating the Mega-D botnet, which may have generated a third of the world's email spam. |
| Oleg Artemyev is a former Russian cosmonaut who flew three missions to the International Space Station. |
| Oleg Menshikov is a Russian actor, theatre director and occasional singer who leads Moscow's Yermolova Theatre. |
| Oleg Makarov was a Soviet cosmonaut who traveled to space. |
| Oleg Kotov is a physician and Russian cosmonaut who spent over 526 days in space across three missions to the International Space Station. |