| Country | Day | Month | Names |
 Croatia | 1 | May | Josip |
| Croatia | 2 | May | Anastazije, Eugen, Boris |
| Croatia | 3 | May | Filip, Jakov, Jakica |
| Croatia | 4 | May | Florijan, Cvjetko, Cvijeta |
| Croatia | 5 | May | Vinko Fererski, Maksim, Andenlko |
| Croatia | 6 | May | Dominik Savio, Nedjeljko, Benedikta |
| Croatia | 7 | May | Dujam, Duje, Duška, Gizela kr. |
| Croatia | 8 | May | Marija posrednica, Marina, Ida |
| Croatia | 9 | May | Herman, Mirna, Beato, Kristofor |
| Croatia | 10 | May | Ivan Merz, Gospa Trsat |
| Croatia | 11 | May | Mamerto |
| Croatia | 12 | May | Leopold Mandic |
| Croatia | 13 | May | Gospa Fatimska, Servacije, Ena |
| Croatia | 14 | May | Matija, Mate, Matko, Matea |
| Croatia | 15 | May | Solinski mucenici, Sofija |
| Croatia | 16 | May | Ivan Nepomuk, Andrija Bobola, Nenad |
| Croatia | 17 | May | Paskal, Paško |
| Croatia | 18 | May | Ivan I. papa, Venancije, Srecko |
| Croatia | 19 | May | Celestin V. p., Rajko, Teofil, Inka |
| Croatia | 20 | May | Bernardin Sijenski |
| Croatia | 21 | May | Eugen, Serapion |
| Croatia | 22 | May | Renata, Rita, Jelena, Jagoda, Milan |
| Croatia | 23 | May | Deziderije, Željko, Želimir, Vilim |
| Croatia | 24 | May | Marija Pom., Prijenos sv. Dom. |
| Croatia | 25 | May | Beda Casni, Grgur VII. |
| Croatia | 26 | May | Filip Neri, Zdenko, Eleuterij |
| Croatia | 27 | May | Augustin Canterburyjski |
| Croatia | 28 | May | German |
| Croatia | 29 | May | Polion, Euzebije, Veceslav |
| Croatia | 30 | May | Ivana Arška |
| Croatia | 31 | May | DUHOVI, Pohod BDM, MB Kam. vrata |
