| Country | Day | Month | Names |
 Poland | 27 | February | Aleksander, Anastazja, Auksencjusz, Gabriel, Gabriela, Honoryna, Leander, Leonard, Sierosława |
 Lithuania | 9 | July | Algirdas, Algirde, Leonardas, Veronika |
 Slovakia | 16 | August | Leonard |
 USA | 25 | August | Dorcas, Lanard, Lennie, Lenny, Leonard, Leonardo, Tabatha, Tabitha |
 Sweden | 28 | September | Lennart, Leonard |
| Lithuania | 15 | October | Domante, Gailiminas, Leonardas, Terese |
 Ukraine | 1 | November | Kuzma, Leonard |
 Croatia | 6 | November | Leonard pust., Vedran, Sever |
 Greece | 6 | November | Leonardo |
 Italy | 6 | November | Leonardo di Noblac |
 Latvia | 6 | November | Leo, Leonards, Leonhards, Leons, Linards |
| Lithuania | 6 | November | Asmantas, Leonardas, Vygaude |
 Norway | 6 | November | Lennart, Leonard |
| Poland | 6 | November | Feliks, Leonard, Trzebowit, Ziemowit |
 Spain | 6 | November | Leonardo |
| Croatia | 26 | November | Konrad, Leonardo, Dubravko |
| Poland | 26 | November | Delfin, Dobiemiest, Jan, Konrad, Konrada, Lechosław, Lechosława, Leonard, Sylwester |
| Poland | 27 | November | Damazy, Dominik, Leonard, Maksymilian, Oda, Stojgniew, Walery, Wirgiliusz |
France