I'm not exactly sure why I did this - probably just to satisfy my inner geek - but I went through Wikipedia to have a look at some well-known names in many other languages (for completeness, I also include those already given in here):
The Lord of the Rings
Gospodar prstenova
(Bosnian)
Pán prstenů
(Czech)
Ringenes Herre
(Danish)
Der Herr der Ringe
(German)
El seńor de los anillos
(Spanish)
Le Seigneur des Anneaux
(French)
Gospodar prstenova
(Croatian)
Hringadróttinssaga
(Icelandic)
Il Signore degli Anelli
(Italian)
iedų valdovas
(Lithuanian)
A gyűrűk ura
(Hungarian)
In de Ban van de Ring
(Dutch)
Ringenes herre
(Norwegian)
Władca Pierścieni
(Polish)
O Senhor dos Anéis
(Portuguese)
Stăpânul Inelelor
(Romanian)
Gospodar prstanov
(Slovenian)
Taru sormusten herrasta
(Finnish)
Sagan om ringen
(Swedish)
Yüzüklerin Efendisi
(Turkish)
Middle-earth
Srednja Zemlja
(Bosnian)
Středozem
(Czech)
Midgĺrd
(Danish)
Mittelerde
(German)
Tierra Media
(Spanish)
Terre du Milieu
(French)
Miđgarđur
(Icelandic)
Terra di Mezzo
(Italian)
Középfölde
(Hungarian) (this one sounds very strange to my ear)
Midden-aarde
(Dutch)
Midgard
(Norwegian)
Śródziemie
(Polish)
Terra Média
(Portuguese)
Pământul de Mijloc
(Romanian)
Srednji svet
(Slovenian)
Keski-Maa
(Finnish)
Midgĺrd
(Swedish)
Orta Dünya
(Turkish)
I looked at several others, too, but I think this is already getting too much here, so I'll just post the interesting (I think) ones.
Frodo Baggins
Frodo Sćkker
(Danish)
Frodo Bolsón
(Spanish)
Frodon Sacquet
(French) (Frodo
n? Very stange...)
Zsákos Frodó
(Hungarian)
Frodo Balings
(Dutch)
Frodo Lommelun
(Norwegian)
Frodo Bisagin
(Slovenian)
Shire
Herredet
(Danish)
Comarca
(Spanish)
Comté
(French)
Contea
(Italian)
Gouw
(Dutch)
Hobsyssel
(Norwegian)
Condado
(Portuguese)
ajerska
(Slovenian)
Is it just coincidence that the Finnish (Kontu) is so similar to the Romance ones?
Rivendell
Klřvedal
(Danish)
Fondcombe
(French)
Gran Burrone
(Italian) (doesn't this sound like a nice Italian restaurant?
)
Meriadoc Brandybuck
Meriadoc Brandigamo
(Spanish) (doesn't this almost sound like Kalimac Brandagamba?)
Meriadoc Brandebouc
(French)
Borbak Trufiádok
(Hungarian)
Goldberry
Baya de Oro
(Spanish)
Baie d'Or
(French)
Baccador
(Italian) (this simply doesn't sound female to my ear)
Barliman Butterbur
Cebadilla Mantecona
(Spanish)
Prosper Poiredebeurré
(French)
Witch-King
Rey Brujo
(Spanish) (this sounds adequately scary, doesn't it?
)
Roi-Sorcier
(French)
Re Stregone
(Italian)
Tovenaar-koning
(Dutch)
Gríma Wormtongue
Gríma Lengua de Serpiente
(Spanish)
Gríma langue de Serpent
(French)
Gríma Vermilinguo
(Italian) (I like this one
)
Gríma Slangtong
(Dutch)
Gríma Ormtunge
(Norwegian)