Olli: Name day
Name day
Olli's name day is May 31 in Estonia, July 29 in Finland.
Olli is a classic name
Olli is a popular masculine name primarily found in Nordic countries like Finland and Estonia, where it carries a rich historical tradition. Derived as a diminutive form of names like Oliver, it has evolved into a well-established independent name. The name is characterized by a playful, friendly, and soft tone, making it feel both approachable and modern. While it remains relatively rare in the United States, it is widely recognized and respected across Northern Europe. Its short, punchy structure aligns with contemporary naming preferences for minimalism. As a predominantly male name, it maintains a consistent identity across its cultural range.
Name Day List: Olli
| Country | Day | Month | Names |
 Estonia | 31 | May | Helga, Helge, Helgi, Helja, Helje, Heljo, Helju, Elga, Olga, Olli |
 Finland | 29 | July | Olavi, Olli, Uolevi, Uoti, Oula |
Name Day List - similar names (Olli)
| Country | Day | Month | Names |
 Ukraine | 5 | January | Apollinaria, Teon |
 France | 9 | February | Apolline |
| Estonia | 18 | April | Valdemar, Voldemar, Valdek, Valdeko, Valdo, Valdu, Valdur, Valmar, Valmer, Volmer, Volli |
 USA | 11 | July | Alivia, Helga, Livia, Olga, Olive, Ollie, Oliver, Olivia, Quentin, Quincy, Quinn, Quintina, Quinton |
 Austria | 20 | July | Apollinaris, Bernhard, Margaretha |
 Denmark | 23 | July | Apollinaris |
| Ukraine | 23 | July | Apollinary |
| France | 12 | September | Apollinaire |
| USA | 7 | November | Engelbert, Graham, Hollis, Holm, Holmes, Holt |
| USA | 12 | November | Colan, Colin, Colleen, Collin, Cullan, Cullen, Culver, Kiley, Kyla, Kyle, Kylee, Kyleigh, Kyler, Kylier |
| USA | 25 | December | Anastasia, Noel, Noelle, Hollie, Holly, Jesus, Stacey, Stacie, Stacy |