Name Day List: December - Estonia
Estonian NameDays in December present a rich tapestry of names, often featuring multiple variations derived from a single root across various dates. December 24th stands out significantly, celebrating Aadam, Eeva, and their numerous derivatives, making it the day with the most associated names. The calendar includes many internationally recognized names such as Oskar, Barbara, Nikolai, and Lucia, alongside distinct Estonian names like Külli and Leiger. Throughout the month, names like Toomas and Daaniel also appear with their local adaptations. The year concludes with Silvester and Melanie on December 31st, marking a diverse end to the NameDay calendar.
| Country | Day | Month | Names |
 Estonia | 1 | December | Oskar, Osmar, Oss |
| Estonia | 2 | December | Aira, Aire, Airi |
| Estonia | 3 | December | Leiger, Leino |
| Estonia | 4 | December | Barbara, Barba, Parba, Varve, Varje, Varju |
| Estonia | 5 | December | Selma, Selme |
| Estonia | 6 | December | Nigulas, Nigul, Nikolai, Niilas, Niilo, Nils, Klaus, Laas, Laus |
| Estonia | 7 | December | Sabiine, Piine |
| Estonia | 8 | December | Külli, Küllike, Külliki, Külve, Külvi |
| Estonia | 9 | December | Raido, Raidu, Raigo, Raiko, Raid, Raik, Rait |
| Estonia | 10 | December | Juudit, Juta |
| Estonia | 11 | December | Daaniel, Taaniel, Tanel, Tani, Taano, Tanno |
| Estonia | 12 | December | Aivar, Aiver, Aivo |
| Estonia | 13 | December | Lucia, Hele, Ele, Ere, Loviise, Luise, Viise |
| Estonia | 14 | December | Eho, Hengo, Hingo |
| Estonia | 15 | December | Kalli, Kelli, Kulla, Killu |
| Estonia | 16 | December | Adelheid, Adeele, Ethel, Aade, Aale, Teele, Haide, Aliide, Liide |
| Estonia | 17 | December | Rahel, Raili |
| Estonia | 18 | December | Neeme, Neemo |
| Estonia | 19 | December | Maarius, Mario, Mairo |
| Estonia | 20 | December | Pärja, Pärje |
| Estonia | 21 | December | Toomas, Toom, Tom, Tommi |
| Estonia | 22 | December | Vambola, Vambo |
| Estonia | 23 | December | Eugenia, Senna, Senni |
| Estonia | 24 | December | Aadam, Tammo, Tamur, Eeva, Eevi, Eva, Eve, Evi, Ivi, Iivi, Ivika, Eveli, Evelin |
| Estonia | 25 | December | Natalie, Neida, Taale, Taali |
| Estonia | 26 | December | Taban, Tehvan, Tahvo, Tehvo, Teho, Sten |
| Estonia | 27 | December | Sulve, Sulvi, Sula |
| Estonia | 28 | December | Piia, Piiu |
| Estonia | 29 | December | Merle, Merli, Merili, Mirle |
| Estonia | 30 | December | Taavet, Taave, Taavi, Taavo, Tavo |
| Estonia | 31 | December | Silvester, Silvar, Silver, Silvo, Melany, Melanie |
