| Land | Dag | Månad | Namn |
 Lettland | 1 | december | Arnolds, Arvaldis |
| Lettland | 2 | december | Meta, Sniedze |
| Lettland | 3 | december | Daile, Evija, Jogita, Raita |
| Lettland | 4 | december | Baiba, Barba, Barbara |
| Lettland | 5 | december | Klaudija, Klaudijs, Sabine, Sarma, Sarmite |
| Lettland | 6 | december | Klavs, Niklavs, Nikolajs |
| Lettland | 7 | december | Anta, Antonija, Dzirkstite, Tonija |
| Lettland | 8 | december | Guna, Gunars, Marieta, Vladimirs |
| Lettland | 9 | december | Joachims, Jukums, Sarmite, Tabita |
| Lettland | 10 | december | Cera, Guna, Judite, Sniedze |
| Lettland | 11 | december | Valdemars, Valdis, Voldemars |
| Lettland | 12 | december | Iveta, Otilija |
| Lettland | 13 | december | Lucija, Veldze |
| Lettland | 14 | december | Auseklis, Dailonis, Gaisma |
| Lettland | 15 | december | Jana, Johanna |
| Lettland | 16 | december | Alvine |
| Lettland | 17 | december | Brunhilde, Hilda, Teiksma |
| Lettland | 18 | december | Jordisa, Klinta, Kristaps, Sarmis |
| Lettland | 19 | december | Jordisa, Lelde, Minjona, Sarmis |
| Lettland | 20 | december | Abrams, Argods, Arta, Minjona |
| Lettland | 21 | december | Saulcerite, Toms, Tomass |
| Lettland | 22 | december | Donalds, Donis, Saulvedis |
| Lettland | 23 | december | Balva, Viktorija |
| Lettland | 24 | december | Adams, Ieva |
| Lettland | 25 | december | Krists, Larisa, Stella |
| Lettland | 26 | december | Dainuvite, Gija, Saulvedis |
| Lettland | 27 | december | Elmars, Helmars, Inita |
| Lettland | 28 | december | Inga, Ivita, Jonatans, Mierins |
| Lettland | 29 | december | Ileana, Ilgona, Ilgone, Solveiga |
| Lettland | 30 | december | Davids, Davis |
| Lettland | 31 | december | Kalvis, Silvestrs |
