Starred (*) names indicate that the date of the name day changes each year.
Celebrating
| May 02 | Zoodochos Pigis |
| May 03 | Timotheos (Timothy) |
| May 05 | Eirinis, Irini (Irene) |
| May 06 | Serafim |
| May 07 | Akakios |
| May 09 | Christoforos (Christopher) |
| May 10 | Simonos (Simon) |
| May 11 | Kyrillos & Methodos |
| May 13 | Sergios, Sergios / Glykerias, Glykeria (Sergio) |
| May 15 | Paxomios |
| May 17 | Andronikos |
| May 18 | Ioulias, Ioulia (Julia, Julie) |
| May 19 | Menandrios |
| May 21 | Konstantinos & Elenis, Konstantine, Kostas, Tina, Kostantina, Eleni (Helen) |
| May 27 | Ioannos Rosos |
| May 28 | Tis Analipseos |
| May 29 | Theodosias |
| May 30 | Isaakios (Isaac) |