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