Luka: Name day
Name Day List: Luka
| Country | Day | Month | Names |
 Bulgaria | 18 | October | Zlatan, Zlatka, Zlatko, Zlatomir, Luka, Lukan, Zlata, Zlatina |
 Finland | 18 | October | Säde, Satu, Luukas, Luka |
Name Day List - similar names (Luka)
| Country | Day | Month | Names |
 Austria | 18 | October | Gwenn, Justus, Lukas |
 Croatia | 18 | October | Luka ev., Trifonija |
 Czechia | 18 | October | Lukáš |
 Germany | 18 | October | Lukas |
 Hungary | 18 | October | Lukács |
 Latvia | 18 | October | Lukass, Rolands, Ronalds |
 Lithuania | 18 | October | Kesmina, Liubartas, Lukas |
 Slovakia | 18 | October | Lukáš |
 Sweden | 18 | October | Lukas |
 USA | 18 | October | Blaine, Blair, Blane, Luca, Lucas, Lukas, Luke, Wynn, Wynton |
| Croatia | 30 | October | Marcel, Marojko, Lukan, German |