Name Day List: May - Finland
| Country | Day | Month | Names |
 Finland | 1 | May | Vappu, Valpuri |
| Finland | 2 | May | Viivi, Vuokko, Viivi |
| Finland | 3 | May | Outi, Linus |
| Finland | 4 | May | Roosa, Ruusu, Rosa |
| Finland | 5 | May | Maini, Melina, Melissa |
| Finland | 6 | May | Ylermi |
| Finland | 7 | May | Helmi, Kastehelmi |
| Finland | 8 | May | Heino |
| Finland | 9 | May | Timo, Timi |
| Finland | 10 | May | Aina, Aini, Aino, Ainikki |
| Finland | 11 | May | Osmo |
| Finland | 12 | May | Lotta |
| Finland | 13 | May | Kukka, Floora |
| Finland | 14 | May | Tuula |
| Finland | 15 | May | Sofia, Sonja, Sohvi |
| Finland | 16 | May | Essi, Esteri, Ester |
| Finland | 17 | May | Maila, Rebekka, Maili, Mailis, Maisa |
| Finland | 18 | May | Eero, Erkki, Eerika, Eerik, Eerikki, Erkka |
| Finland | 19 | May | Emilia, Emma, Mila, Milena, Amalia, Emmi, Milja, Milka, Milla, Amelia |
| Finland | 20 | May | Lilian, Lilja, Karoliina, Lila, Lili, Lilli, Lilia |
| Finland | 21 | May | Konsta, Kosti, Konstantin |
| Finland | 22 | May | Hemminki, Hemmo |
| Finland | 23 | May | Lyydia, Lyyli |
| Finland | 24 | May | Touko, Tuukka |
| Finland | 25 | May | Urpo |
| Finland | 26 | May | Minna, Vilma, Minni, Miina, Mimmi, Vilhelmiina |
| Finland | 27 | May | Ritva |
| Finland | 28 | May | Alma |
| Finland | 29 | May | Oiva, Oliver, Olivia, Livia |
| Finland | 30 | May | Pasi |
| Finland | 31 | May | Helga, Helka |
