The name Enn has its name day commemorated on January 19th within the country of Estonia.
Enn is a concise masculine name primarily originating from Northern European linguistic traditions, often serving as a short form related to names meaning 'home ruler' or 'God is gracious'. In the USA, the name is exceptionally uncommon, usually appearing due to immigration rather than domestic naming trends. It carries a strong, focused mood characterized by traditional gravity and striking brevity. As a gender classification, Enn is firmly established worldwide as a male given name. Historically, its simplicity reflects deeply rooted conventional naming patterns. This powerful two-letter name embodies resilience and historical depth without ostentation.
| Country | Day | Month | Names |
 Spain | 3 | January | Daniel, Genova, Genoveva, Jennifer, Florencio, Prisciliano |
 USA | 3 | January | Gaynor, Geneva, Genevieve, Guenna, Jenifer, Jenna, Jennie, Jennifer, Jenny |
| USA | 6 | January | Cheyanne, Cheyenne, Howell, Hoyle, Kahlil, Khalil, Melchior, Rowan, Talullah, Tiffani, Tiffanie, Tiffany |
 Estonia | 9 | January | Veli, Veljo, Vello, Velvo, Veigo, Veiko, Väiko, Venda, Vendo, Venno |
| USA | 17 | January | Anthony, Antoine, Antoinette, Anton, Antonia, Antonio, Antony, Antwan, Ben, Benita, Benito, Benjamin, Bennie, Benny, Toni, Tony |
 Finland | 19 | January | Heikki, Henrik, Henna, Henni, Henriikka, Henri, Henrikki |
| Estonia | 20 | January | Hendrika, Henna, Henni, Henriette, Jete |
| Finland | 23 | January | Eine, Eini, Enni, Enna |
 France | 16 | February | Julienne, Lucile, Onésime |
| USA | 1 | March | Chapman, Dina, Dinah, Glen, Glenda, Glenn, Glenna, Seth |
| USA | 21 | March | Arvin, Arwin, Bendix, Benedict, Benedicta, Bennett |
 Sweden | 22 | March | Kennet, Kent |
 Norway | 26 | March | Gabriel, Glenn |
| Sweden | 22 | April | Allan, Glenn |
| USA | 16 | May | Brand, Branden, Brandi, Brandon, Brandy, Brannon, Brant, Brenda, Brendan, Brenden, Brendon, Brenna, Brennan, Brent, Brenton |
| Norway | 22 | May | Henning, Henny |
| Sweden | 22 | May | Hemming, Henning |
| Estonia | 8 | June | Enda, Endla, Enna, Enne |
 Latvia | 15 | June | Banuta, Benno, Vilija, Zermena |
 Austria | 16 | June | Benno, Luitgard, Quirin |
 Germany | 16 | June | Benno |
| Estonia | 17 | June | Eugen, Kenno |
| Estonia | 25 | June | Linda, Lenna, Inna |
| Norway | 26 | June | Jenny, Jonny |
| USA | 2 | July | Othello, Otis, Otto, Penelope, Penny, Petunia |
| Finland | 21 | July | Jonna, Johanna, Hanna, Jenni, Hanne, Hannele, Jenna, Joanna |
| Austria | 1 | August | Alfons, Kenneth, Peter |
| Sweden | 7 | August | Denise, Dennis |
| Estonia | 15 | August | Johanna, Hanna, Jaana, Jaanika, Jana, Janika, Janne, Jenny, Nanna |
| Finland | 17 | August | Verneri, Venni |
| Estonia | 20 | August | Bernhard, Benno, Pearn, Pearu, Päärn, Pääro, Pärn, Pärno |
| USA | 25 | August | Dorcas, Lanard, Lennie, Lenny, Leonard, Leonardo, Tabatha, Tabitha |
 Hungary | 8 | September | Mária, Adrienn |
| USA | 8 | September | Adria, Adrian, Adriana, Adrianna, Adrien, Adrienne, Hadria, Hadrian, Hadrien, Joachim, Joakima, Joaquin, Joaquina |
| France | 11 | September | Adelphe, Glenn, Vinciane |
 Italy | 19 | September | Gennaro |
| USA | 26 | September | Newton, Renata, Renault, Rene, Renee, Renny |
| Estonia | 28 | September | Leonhard, Lennart, Linnart, Linnar, Lenno |
| Finland | 28 | September | Arja, Lenni, Leon |
| Sweden | 28 | September | Lennart, Leonard |
 Greece | 3 | October | Dionisios, Dennis |
 Ukraine | 3 | October | Dennis, Denise |
| Sweden | 6 | October | Jennifer, Jenny |
| USA | 9 | October | Denice, Denis, Denise, Dennis, Denny, Dion, Gunnar, Gunther, Leif |
| Norway | 11 | October | Kennet, Kent, Kevin |
| USA | 11 | October | Canice, Kambelyn, Ken, Kendall, Kendra, Kennedy, Kenneth, Kenny, Kent, Kenton, Kim, Kimball, Kimberley, Kimberly, Kimberlyn, Kimi, Tate, Tatum |
| USA | 14 | October | Calista, Dwight, Fortino, Fortuna, Glennis, Glynnis |
| Austria | 18 | October | Gwenn, Justus, Lukas |
| USA | 26 | October | Madden, Maddock, Maddox, Mahala, Mahalia, Makenna, Mckenna |
| Norway | 6 | November | Lennart, Leonard |
| Italy | 21 | November | Benedetto Menni |
| Estonia | 23 | December | Eugenia, Senna, Senni |
| Finland | 23 | December | Senni, Noel |
| France | 26 | December | Etienne |