Ülo: Name day
Name Day List: Ülo
Name Day List - similar names (Ülo)
| Country | Day | Month | Names |
 Finland | 13 | February | Sulo, Sulho |
 Spain | 17 | February | Constanza, Rómulo, Alexis |
 Greece | 16 | March | Christodoulos |
 Hungary | 1 | May | Fülöp, Jakab, Zsaklin |
| Spain | 3 | May | Juvenal, Violeta, Evencio, Teódulo, Alejandro, Estela, Felipe |
| Hungary | 26 | May | Fülöp, Evelin |
| Spain | 10 | June | Amalia, Amelia, Getulio, Críspulo, Asterio, Trinidad, Máximo |
| Greece | 23 | June | Aristoklis, Loulou |
 Poland | 25 | June | Albrecht, Eulogiusz, Łucja, Lucja, Tolisława, Wilhelm |
 Estonia | 6 | July | Sulev, Sulo |
| Spain | 6 | July | Isaías, Dominica, Rómulo |
| Estonia | 15 | September | Kulmo, Kulno, Kurmo, Kuulo |