Aina's name day is May 10 in Estonia, May 10 in Finland, June 13 in Sweden, June 27 in Norway, and October 8 in Latvia.
Aina is an elegant, feminine name that holds a strong, traditional presence across Northern Europe and the Baltic regions. It is characterized by a soft, melodic, and serene mood that feels timeless rather than trendy. While it remains a rare choice in the United States, it is deeply rooted in linguistic history, often associated with concepts of eternity and continuity. The name is almost exclusively used for females, reflecting a graceful and approachable identity. Its simplicity and historical depth make it a popular choice in cultures that value classic naming conventions. Overall, Aina is a beautiful, nature-like name that conveys a sense of quiet strength and enduring beauty.
| Country | Day | Month | Names |
 USA | 12 | January | Alain, Alaina, Alan, Alana, Alanna, Alayna, Allan, Allen, Allena, Lana, Lanna |
 Finland | 8 | February | Laina |
| Finland | 17 | February | Väinö, Väinämö, Karita, Rita |
 Lithuania | 4 | March | Daina, Daugvydas, Kazimieras, Vaclava |
 Estonia | 11 | March | Ain, Ainar, Aigar, Innar, Inno |
 Russia | 31 | May | Alexandra, Faina, Julia |
 Latvia | 13 | June | Ainars, Tautvaldis, Tobijs, Uva, Zigfrids, Zigrids |
| USA | 23 | June | Audra, Audrey, Dashawn, Deshawn, Elton, Ethel, Josiah, Josias, Shaina, Shania, Shaun, Shauna, Shawn, Shawna, Shayna, Shayne, Shonda |
| Lithuania | 10 | July | Amalija, Eirime, Gilvainas |
| Estonia | 15 | July | Ragne, Raina, Raine, Raini |
| Latvia | 17 | July | Ainars, Aleksejs, Aleksis |
| Estonia | 6 | August | Laine, Laina, Lainela, Laini, Laive, Laivi |
| Lithuania | 8 | August | Daina, Domas, Dominykas, Elidijus, Gustavas, Taulgirdas |
 Austria | 18 | August | Claudia, Helena, Rainaki |
| USA | 18 | August | Aileen, Eileen, Elaina, Elaine, Eleanor, Elena, Eliana, Ella, Elle, Ellen, Ellie, Helen, Helena, Iliana, Lena, Leonora, Nell, Nellie, Nelly |
| USA | 7 | September | Raegan, Raina, Rana, Rani, Reagan, Regan, Regina, Regine, Yale |
| Finland | 13 | October | Taija, Taina, Tanja |
| Latvia | 23 | October | Daina, Dainis, Severins |
 Bulgaria | 8 | November | Angel, Angelina, Arhangel, Gavrail, Gavril, Emil, Emilia, Emiliana, Mihaela, Mihail, Ognyan, Ognyana, Plamen, Plamena, Rada, Radka, Radko, Rafail, Raia, Raika, Raina, Rangel, Emiliya, Emiliyana, Emiliyan, Lina, Mila, Milen, Milyo, Mihaela, Mihail, Radivoy, Radoslav, Radoslava, Radostin, Radostina, Raiko, Raycho, Rangel, Rafail, Raya, Rusi |
| Lithuania | 14 | December | Alfredas, Kintvile, Tarvainas |
| Lithuania | 29 | December | Gaja, Gentvainas, Teofile |
Sweden 
Norway