Ulla: Name day
Name Day List: Ulla
| Country | Day | Month | Names |
 Austria | 8 | May | Ida, Klara, Ulla, Ulrike |
 Finland | 4 | July | Ulla, Ulpu |
 Norway | 4 | July | Ulla, Ulrik |
 Sweden | 4 | July | Ulla, Ulrika |
| Austria | 21 | October | Karl, Ursula, Ulla |
 Estonia | 21 | October | Ursula, Ulla, Ulrika |
 Latvia | 30 | October | Algards, Nadina, Ratne, Ulla, Venera |
Name Day List - similar names (Ulla)
| Country | Day | Month | Names |
 USA | 6 | January | Cheyanne, Cheyenne, Howell, Hoyle, Kahlil, Khalil, Melchior, Rowan, Talullah, Tiffani, Tiffanie, Tiffany |
| Estonia | 19 | February | Ülla, Ülle, Ülli, Ülve, Ülvi |
| Estonia | 16 | August | Aurel, Aulis, Kuldar, Kullar, Kullo |
| Estonia | 1 | September | Ülo, Ülev, Ülar, Ülari, Üllar, Üllart, Üllas, Üllo |
| USA | 12 | November | Colan, Colin, Colleen, Collin, Cullan, Cullen, Culver, Kiley, Kyla, Kyle, Kylee, Kyleigh, Kyler, Kylier |
| Estonia | 15 | December | Kalli, Kelli, Kulla, Killu |