Name Day List: December - Finland
| Country | Day | Month | Names |
 Finland | 1 | December | Oskar, Oskari |
| Finland | 2 | December | Anelma, Unelma, Unna |
| Finland | 3 | December | Meri, Vellamo |
| Finland | 4 | December | Aira, Airi |
| Finland | 5 | December | Selma |
| Finland | 6 | December | Niilo, Niko, Niki, Nikolas, Niklas, Nikolai, Niila |
| Finland | 7 | December | Sampsa |
| Finland | 8 | December | Kyllikki, Kylli |
| Finland | 9 | December | Anna, Anne, Anni, Anu, Annu, Anneli, Annika, Annikki, Annukka |
| Finland | 10 | December | Jutta |
| Finland | 11 | December | Taneli, Tatu, Daniel, Daniela |
| Finland | 12 | December | Tuovi |
| Finland | 13 | December | Seija |
| Finland | 14 | December | Jouko |
| Finland | 15 | December | Heimo, Nooa |
| Finland | 16 | December | Auli, Aulikki, Aada, Adele |
| Finland | 17 | December | Raakel |
| Finland | 18 | December | Aapo, Aappo, Rami |
| Finland | 19 | December | Iiro, Iisakki, Iikka, Isko |
| Finland | 20 | December | Benjamin, Kerkko |
| Finland | 21 | December | Tuomas, Tomi, Tommi, Tuomo |
| Finland | 22 | December | Raafael |
| Finland | 23 | December | Senni, Noel |
| Finland | 24 | December | Aatami, Eeva, Eevi, Eveliina |
| Finland | 26 | December | Tapani, Teppo, Tahvo |
| Finland | 27 | December | Hannes, Hannu, Hans |
| Finland | 28 | December | Piia |
| Finland | 29 | December | Rauha |
| Finland | 30 | December | Taavetti, Taavi, Daavid |
| Finland | 31 | December | Sylvester, Silvo |
