Ats: Name day
Name Day List: Ats
Name Day List - similar names (Ats)
| Country | Day | Month | Names |
 Latvia | 17 | February | Auce, Donats, Konstance |
 Estonia | 24 | February | Mattias, Madis, Madi, Matis, Mati, Matti, Mats, Mait, Maido, Maidu, Mäido |
 Norway | 24 | February | Mathias, Mats, Mattias, Mattis |
 Sweden | 24 | February | Mats, Mattias |
 USA | 17 | March | Paden, Pat, Patrice, Patricia, Patrick, Patsy, Patti, Patty, Trish, Trisha |
 Finland | 28 | July | Atso |
| Latvia | 29 | November | Ignats, Ojars, Veseta |
 Bulgaria | 26 | December | David, Datso, Dacho, Zhozef, Yosif |