Luis: Name day
Name Day List: Luis
| Country | Day | Month | Names |
 USA | 4 | January | Angel, Angela, Angelica, Angelina, Angeline, Angelique, Angelo, Angie, Dangelo, Deangelo, Lewis, Lou, Louie, Louis, Luis |
 Spain | 15 | March | César, Luis, Raimundo, Madrona |
| Spain | 21 | June | Luis, Demetria, Terencio, Raul, Gina, Koldo, Rodolfo |
Name Day List - similar names (Luis)
| Country | Day | Month | Names |
 Austria | 15 | March | Klemens, Clemens, Maria, Luise |
| USA | 15 | March | Eloise, Lois, Louella, Louisa, Louise, Luella, Luisa, Lulu |
 Italy | 16 | March | Luisa de Marillac |
 Estonia | 13 | December | Lucia, Hele, Ele, Ere, Loviise, Luise, Viise |