Estonian NameDays in March showcase a rich tradition of name variations, with many dates celebrating multiple forms of a single name. The month's largest collection honors Maria and numerous derivatives on March 25th. Common prefixes like "Al", "Arm", and "Hel" appear on various days, alongside other popular initial sounds such as "E" and "V". From Albo on March 1st to Irmgard on March 31st, the calendar offers diverse options for celebration.
| Country | Day | Month | Names |
 Estonia | 1 | March | Albo, Albin, Alvin, Armin |
| Estonia | 2 | March | Virve, Virvi, Virge, Virgi, Virma, Virme |
| Estonia | 3 | March | Egle, Haili, Halliki, Helliki |
| Estonia | 4 | March | Eimar, Elmar, Elmer, Elmet, Elmo, Almar |
| Estonia | 5 | March | Laila, Laili, Leila, Leili |
| Estonia | 6 | March | Tarmo, Tarmu |
| Estonia | 7 | March | Rudolf, Ruudi, Ruut, Ralf, Rolf, Raul |
| Estonia | 8 | March | Viilup, Viilo, Vilbo, Lepo |
| Estonia | 9 | March | Edvin, Heido, Heivo |
| Estonia | 10 | March | Helda, Helde, Heldi |
| Estonia | 11 | March | Ain, Ainar, Aigar, Innar, Inno |
| Estonia | 12 | March | Rego, Reio |
| Estonia | 13 | March | Ernst, Ernits, Erni, Erno |
| Estonia | 14 | March | Matilde, Malde, Maldi, Milda, Milde, Meta, Tilde |
| Estonia | 15 | March | Valev, Valvo, Valvik |
| Estonia | 16 | March | Herbert, Herbi, Heero |
| Estonia | 17 | March | Gertrud, Gerda, Kertu, Kert, Kärdi, Kärt, Kerli, Truude, Truuta, Ruuta, Ruta |
| Estonia | 18 | March | Eduard, Edi, Eedi, Eedo, Eedu |
| Estonia | 19 | March | Joosep, Joosu |
| Estonia | 20 | March | Malviine, Malvi, Malve |
| Estonia | 21 | March | Pent, Pendo, Küllo, Külvo |
| Estonia | 22 | March | Viktor, Viktoria |
| Estonia | 23 | March | Aksel, Ailo |
| Estonia | 24 | March | Albina, Albi, Albe |
| Estonia | 25 | March | Maria, Marie, Maarja, Marja, Marje, Marjo, Marju, Mari, Marili, Marika, Maari, Maarika, Manni |
| Estonia | 26 | March | Immo, Imand, Imant |
| Estonia | 27 | March | Leida, Leidi, Leia, Laide, Laidi |
| Estonia | 28 | March | Armas, Armo, Arm, Kallis |
| Estonia | 29 | March | Joonas, Joakim, Kimmo |
| Estonia | 30 | March | Pille, Sibülle |
| Estonia | 31 | March | Irmgard, Irma, Irmi, Hermi, Härmi |
