Tautas's name day is March 15 in Lithuania.
Tautas is an exceptionally rare given name globally and virtually unseen in the USA. It is predominantly used as a masculine name in the Baltic states, particularly Lithuania and Latvia. The name's origin lies in Baltic languages, directly translating to "people" or "nation," imbuing it with a strong sense of community and national identity. Its mood is one of strength, tradition, and deep cultural heritage. This name reflects an enduring connection to the land and its collective inhabitants.
| Country | Day | Month | Names |
 Lithuania | 3 | January | Genovaite, Vida, Viltautas |
| Lithuania | 5 | January | Gaudentas, Telesforas, Vytautas, Vytaute |
| Lithuania | 1 | February | Brigyta, Eidvile, Gytautas, Ignotas |
| Lithuania | 23 | February | Butvile, Gantautas, Romana, Severinas |
| Lithuania | 2 | March | Dautara, Eitautas, Elena, Marcelinas |
| Lithuania | 7 | March | Felicita, Galminte, Rimtautas, Tomas |
| Lithuania | 21 | March | Benas, Benediktas, Lingaile, Nortautas, Reda, Saulius |
| Lithuania | 2 | April | Elona, Jostautas, Jostaute, Pranas, Pranciskus |
| Lithuania | 8 | April | Dionyzas, Girtautas, Julija, Skirgaile |
| Lithuania | 10 | April | Agna, Apolonijus, Margarita, Mintautas |
| Lithuania | 20 | April | Agne, Eisvyde, Gostautas, Marcijonas |
| Lithuania | 27 | April | Anastazas, Ausra, Gotautas, Zita |
| Lithuania | 7 | May | Butautas, Danute, Rimte, Stanislovas, Stasys |
| Lithuania | 23 | May | Gertautas, Ivona, Tautvyde |
| Lithuania | 31 | May | Anele, Angele, Gintautas, Petronele, Rimvile |
| Lithuania | 5 | June | Kantautas, Kantvyde, Marce |
| Lithuania | 7 | June | Lukrecija, Radvyle, Ratautas, Robertas |
| Lithuania | 25 | June | Baniute, Geistautas, Geistaute, Vilhelmas |
| Lithuania | 8 | July | Arnoldas, Elzbieta, Elze, Vaitautas, Valmante, Virga, Virginija |
| Lithuania | 27 | July | Natalija, Sergijus, Svalia, Zintautas |
| Lithuania | 30 | July | Abdonas, Donatile, Nortautas, Radvile |
| Lithuania | 1 | August | Almeda, Bartautas, Bartaute |
| Lithuania | 14 | August | Euzebijus, Grintautas, Guoste |
| Lithuania | 18 | August | Gendvile, Ilona, Mantautas, Sailenis, Saulene |
| Lithuania | 1 | September | Burvile, Egidijus, Gytautas, Gytis |
| Lithuania | 3 | September | Bronislova, Bronislovas, Mirga, Sirtautas |
| Lithuania | 4 | September | Gemante, Girstautas, Rozalija, Roze |
| Lithuania | 6 | September | Faustas, Tautene, Vaistautas |
| Lithuania | 8 | September | Daumante, Klementina, Liaugaudas, Vytautas |
| Lithuania | 17 | September | Pranas, Pranciskus, Sintautas, Sintaute |
| Lithuania | 4 | October | Eivyde, Mastautas, Pranas, Pranciskus |
| Lithuania | 16 | October | Ambraziejus, Dovalde, Gutautas, Jadvyga, Margarita |
| Lithuania | 17 | October | Gyte, Kintautas, Marijonas, Ritone |
| Lithuania | 7 | November | Ernestas, Gotaute, Karina, Sirtautas |
| Lithuania | 17 | November | Benedita, Getautas, Gilvile, Viktorija |
| Lithuania | 25 | November | Germile, Kotryna, Santautas |
| Lithuania | 13 | December | Eivilte, Kastautas, Kastytis, Liucija, Otilija |
| Lithuania | 24 | December | Adomas, Girstautas, Ieva, Minvyde |