What kind of names are you interested in, names of Scandinavian origin or names popular in Scandinavia? I picked some names with the same ‘feel’ to them as [name]Elsa[/name].
[name]Malva[/name]- beautiful flower name (90/ top 100 in [name]Sweden[/name] 2009)
[name]Greta[/name]- sounds very good with [name]Elsa[/name] (94)
[name]Agnes[/name]- classic (14)
[name]Alva[/name]- very popular in [name]Sweden[/name] (6)
[name]Alma[/name]- just so sweet (24)
[name]Hedda[/name]- maybe to out there, very cute though (95)
Svea- my nick : P created as a personification of the Swedish country (71)
[name]Alice[/name]- not very Scandinavian, though no 1 on the Swedish charts (1)
[name]Viola[/name]- works very well in Scandinavia, too (not on top 100)
[name]Selma[/name]- very cute (36)
[name]Linnea[/name] is number 8 on the popularity chart.
Good luck! [name]Hope[/name] you have some use of my suggestions : )