Jakob: Name day
Name Day List: Jakob
| Country | Day | Month | Names |
 Austria | 3 | May | Jakob, Philipp, Viola |
 Germany | 15 | July | Jakob |
 Estonia | 25 | July | Jakob, Jaagup, Jaak, Jaako, Jako, Jaap, Jass |
 Norway | 25 | July | Jack, Jakob, Jim |
 Sweden | 25 | July | Jakob |
 USA | 25 | July | Coby, Colby, Diego, Israel, Jack, Jackie, Jackson, Jaclyn, Jacob, Jacoby, Jacqueline, Jacquelyn, Jacques, Jaime, Jake, Jakob, James, Jameson, Jamie, Jaquan, Jaqueline, Jaxon, Jaxson, Jim, Jimena, Jimmie, Jimmy, Kobe, Koby, Kolby, Santiago |
| Austria | 11 | October | Bruno, Jakob |
| Austria | 28 | November | Berta, Gunther, Jakob |
Name Day List - similar names (Jakob)
| Country | Day | Month | Names |
| Austria | 25 | July | Jakobus, Thomas, Valentina |
 Poland | 16 | September | Antym, Cyprian, Edda, Edyta, Eufemia, Eugenia, Franciszek, Jakobina, Kamila, Kornel, Lucja, Łucja, Sebastiana, Sędzisław, Wiktor, Wiktoriusz |