Oleg: Name day
Name day
The name Oleg is celebrated on July 11th in Bulgaria. Further celebrations occur on September 10th in Slovakia, and on September 20th across Bulgaria, Czechia, and Poland.
Oleg History Meaning and Tone
Oleg is a historically significant male name derived from the Old Norse name Helgi, meaning "holy" or "sacred." This name was established in Eastern Europe through Scandinavian influence, leading to its current high popularity across Russia, Ukraine, and other Slavic regions. While it projects a strong, classical, and venerable mood, its usage in the USA remains relatively limited. Historically, Oleg holds weight due to its association with major figures in early Eastern Slavic states. It is universally classified as a traditionally masculine name worldwide.
Name Day List: Oleg
| Country | Day | Month | Names |
 Bulgaria | 11 | July | Oleg, Olga, Olia, Olya |
 Slovakia | 10 | September | Oleg |
| Bulgaria | 20 | September | Olga, Oleg |
 Czechia | 20 | September | Oleg |
 Poland | 20 | September | Dionizy, Eustachiusz, Eustachy, Fausta, Faustyna, Filipina, Irena, Oleg, Ostap, Sozant |
Name Day List - similar names (Oleg)
Spain 
Latvia