Mika: Name day
Name Day List: Mika
| Country | Day | Month | Names |
 Bulgaria | 15 | August | Mara, Marian, Mariana, Maria, Mariyan, Masha, Mika, Mira, Mario, Despina, Panaiot |
 Finland | 29 | September | Mikko, Mika, Mikael, Miki, Mikaela, Miika, Miikka, Miko, Miska |
Name Day List - similar names (Mika)
| Country | Day | Month | Names |
 Lithuania | 10 | September | Girminte, Konstancija, Koste, Mikalojus, Tautgirdas |
 Norway | 29 | September | Mikael, Mikal, Mikkel |
 Sweden | 29 | September | Mikael, Mikaela |
 USA | 29 | September | Carmichael, Mia, Micaela, Micah, Michael, Michaela, Micheal, Michele, Micheline, Michelle, Mickey, Miguel, Mikaela, Mikala, Mikayla, Mike, Mikel, Mitch, Mitchel, Mitchell |
| Lithuania | 6 | December | Bilmantas, Mikalojus, Norvyde |