| Country | Day | Month | Names |
 Spain | 1 | January | Manuel, Emanuel, Jesús |
| Spain | 2 | January | Gregorio, Astrid, Basilio, Emma |
| Spain | 3 | January | Daniel, Genova, Genoveva, Jennifer, Florencio, Prisciliano |
| Spain | 4 | January | Eugenio |
| Spain | 5 | January | Amada, Simón, Simona, Emiliana |
| Spain | 6 | January | Baltasar, Gaspar, Reyes, Adoración, Epifanía, Raymundo |
| Spain | 7 | January | Amadeo, Raimundo, Aquiles, Luciano |
| Spain | 8 | January | Maximino, Eladio |
| Spain | 9 | January | Julián, Pedro Urseolo |
| Spain | 10 | January | Gonzalo, Marciano, Alda, Aldo, Vilma, Hortensia |
| Spain | 11 | January | Alejandro, Guillermo, Hortensia, Higinia, Higinio, Modesto |
| Spain | 12 | January | Alfredo, Tatiana, Tania, Hilario |
| Spain | 13 | January | Verónica, Gumersindo, Milagros |
| Spain | 14 | January | Félix, Gil |
| Spain | 15 | January | Mauro, Raquel, Marcelo |
| Spain | 16 | January | Odette, Oto, Priscila |
| Spain | 17 | January | Alba, Antonio, Mariana, Mariano, Alfredo |
| Spain | 18 | January | Florida, Beatriz, Mario, Pia |
| Spain | 19 | January | Mario, Vicente, Sebastián |
| Spain | 20 | January | Fabián |
| Spain | 21 | January | Vicente |
| Spain | 22 | January | Domingo, Imanol, Emma, Gaudencio |
| Spain | 23 | January | Alberto, Ildefonso, Alberta, Armando, María Paz, Xenia |
| Spain | 24 | January | Francisco de Sales, Tirso, Paz, Feliciano |
| Spain | 25 | January | Elvira, Paula, Timoteo |
| Spain | 26 | January | Paula, Tito, Gonzalo |
| Spain | 27 | January | Ángela, Tomás de Aquino, Valerio |
| Spain | 28 | January | Tomas, Pedro Nolasco |
| Spain | 29 | January | Valeria, Valerio, Martina |
| Spain | 30 | January | Alejandro |
| Spain | 31 | January | Juan Bosco |
