How do you write Happy birthday in another language?

Japanese - 誕生日おめでとう!
Chinese- 生日快乐!
French- joyeux anniversaire !
Spanish- ¡feliz cumpleaños!
Dutch- gelukkige verjaardag!
German- alles Gute zum Geburtstag!
Italian- buon compleanno!
Portuguese- feliz aniversario!
Russian- с днем рождения!
Greek- χρόνια πολλά!
Hawaiian- Hau`oli la hanau!

Feliz cumpleaños (Spanish)
Feliz aniversário (Portuguese)
Compleanno felice (Italian)
Glücklicher Geburtstag (German)
Joyeux Anniversaire (French)

Chúc Mừng Sinh Nhật.
(It's Vietnamese) ;)

buon compleanno.... i'm italian :D

Turkish:
doğum günün kutlu olsun

¡Feliz cumpleaños!
Joyeux anniversaire!
С денm рождения!

Gratulerer med dagen.

Prounouncation: Gratu-lerer meh dagen.

You have to hear someone say it to actually pronounce it correctly.
It's norwegian.

http://www.omniglot.com/language/phrases/birthday.htm

The patent of this question is mine.

Afrikaans Veels geluk met jou verjaarsdag!
Albanian Urime ditelindjen!
Alsatian Gueter geburtsdaa!
Amharic Melkam lidet!
Arabic Eid milaad saeed! or Kul sana wa inta/i tayeb/a! (masculine/feminine)
Armenian Taredartzet shnorhavor! or Tsenund shnorhavor!
Assyrian Eida D'moladukh Hawee Brikha!
Austrian-Viennese Ois guade winsch i dia zum Gbuadsdog!
Aymara (Bolivia) Suma Urupnaya Cchuru Uromankja!
Azerbaijani Ad gununuz mubarek! -- for people older than you
Ad gunun mubarek! -- for people younger than you
Basque Zorionak!
Belauan-Micronesian Ungil el cherellem!
Bengali (Bangladesh/India) Shuvo Jonmodin!
Bicol (Philippines) Maogmang Pagkamundag!
Bislama (Vanuatu) Hapi betde! or Yumi selebretem de blong bon blong yu!
Brazil ParabŽns a voc!
ParabŽns a voc,
nesta data querida muitas felicidades e muitos anos de vida.
Breton Deiz-ha-bloaz laouen deoc'h!
Bulgarian Chestit Rojden Den!
Cambodian Som owie nek mein aryouk yrinyu!
Catalan Per molts anys! or Bon aniversari! or Moltes Felicitats!
Chamorro Biba Kumplianos!
Chinese-Cantonese Sun Yat Fai Lok!
Chinese Fuzhou San Ni Kuai Lo!
Chiness-Hakka Sang Ngit Fai Lok!
Chinese-Mandarin qu ni sheng er kuai le
Chinese-Shanghaiese San ruit kua lok!
Chinese-Tiociu Se Jit khuai lak!
Chronia Polla NA ZHSHS
Croatian Sretan Rodendan!
Czech Vsechno nejlepsi k Tvym narozeninam!!
Danish Tillykke med fodselsdagen!
Dutch-Antwerps Ne gelukkege verjoardach!
Dutch-Bilzers Ne geleukkege verjoardoag!
Dutch-Drents Fellisiteert!
Dutch-Flemish Gelukkige verjaardag! or Prettige verjaardag!
Dutch-Frisian Fan herte lokwinske!
Dutch-Limburgs Proficiat! or Perfisia!
Dutch-Spouwers Ne geleukkege verjeurdoag!
Dutch-Twents Gefeliciteard met oen'n verjoardag!
Dutch Hartelijk gefeliciteerd! or Van harte gefeliciteerd met je verjaardag!
English Happy Birthday!
Esperanto Felichan Naskightagon!
Estonian Palju onne sunnipaevaks!
Euskera Zorionak zure urtebetetze egunean!
Faroes ( Faroe island ) Tillukku vid fodingardegnum!
Farsi Tavalodet Mobarak!
Finnish Hyvaa syntymapaivaa!
French (Canada) Bonne Fete!
French Joyeux Anniversaire!
Frisian Lokkiche jierdei!
Gaelic (Irish) L‡ breithe mhaith agat!
Gaelic (Scottish) Co` latha breith sona dhuibh!
Galician (Spain) Ledicia no teu cumpreanos!
Georgian Gilotcav dabadebis dges!
German-Badisch Allis Guedi zu dim Fescht!
German-Bavarian Ois Guade zu Deim Geburdstog!
German-Berlinisch Allet Jute ooch zum Jeburtstach! or Ick wuensch da allet Jute zum Jeburtstach!
German-Bernese Es Muentschi zum Geburri!
German-Camelottisch Ewllews Gewtew zewm Gewbewrtstewg. Mew!
German-Frankonian Allmecht! Iich wuensch Dir aan guuadn Gebuardsdooch!
German-Lichtenstein Haerzliche Glueckwuensche zum Geburtstag!
German-Moselfraenkisch Haezzlische Glickwunsch zem Gebordsdach!
German-Plattdeutsch Ick wuensch Di allns Gode ton Geburtsdach!
German-Rhoihessisch Ich gratelier Dir aach zum Geburtstag!
German-Ruhr Allet Gute zum Gebuatstach!
German-Saarlaendisch Alles Gudde for dei Gebordsdaach!
German-Saechsisch Herzlischen Gliggwunsch zum Geburdsdaach!
German-Schwaebisch Aelles Guade zom Gebordzdag!
German-Wienerisch Ois Guade zum Geburdsdog!
German Alles Gute zum Geburtstag!
Greek Eytyxismena Genethlia! or Chronia Pola!
Greenlandic Inuuinni pilluarit!
Gronings (Netherlands) Fielsteerd mit joen verjoardag!
Gujarati (India) Janma Divas Mubarak!
Gujrati (Pakistan) Saal Mubarak!
Guarani (Paraguay Indian)] Vy-Apave Nde Arambotyre!
Hawaiian Hau`oli la hanau!
Hebrew Yom Huledet Same'ach!
Hiligaynon (Philippines) Masadya gid nga adlaw sa imo pagkatawo!
Hindi (India) Janam Din ki badhai! or Janam Din ki shubkamnaayein!
Hungarian Boldog szuletesnapot! or Isten eltessen!
Icelandic Til hamingju med afmaelisdaginn!
Indonesian Selamat Ulang Tahun!
Irish-gaelic La-breithe mhaith agat! or Co` latha breith sona dhut! Or Breithla Shona Dhuit!
Italian Buon Compleanno!
Italian (Piedmont) Bun Cumpleani!
Italian (Romagna) At faz tent avguri ad bon cumplean!
Japanese Otanjou-bi Omedetou Gozaimasu!
Javaans-Indonesia Slamet Ulang Taunmoe!
Jerriais Bouon Anniversaithe!
Kannada (India) Huttida Habba Subashayagalu!
Kapangpangan (Philippines) Mayap a Kebaitan
Kashmiri (India) Voharvod Mubarak Chuy!
Kazakh (Kazakstan) Tughan kuninmen!
Klingon Quchjaj qoSlIj!
Korean Saeng il chuk ha ham ni da!
Kurdish Rojbun a te piroz be!
Kyrgyz Tulgan kunum menen!
Latin Fortuna dies natalis!
Latvian Daudz laimes dzimsanas diena!
Lithuanian Sveikinu su gimtadieniu! or Geriausi linkejimaigimtadienio progal
Luganda Nkwagaliza amazalibwa go amalungi!
Luxembourgeois Vill Gleck fir daei Geburtsdaag!
Macedonian Sreken roden den!
Malayalam (India) Pirannal Aasamsakal! or Janmadinasamsakal!
Malaysian Selamat Hari Jadi!
Maltese Nifrahlek ghal gheluq sninek!
Maori Kia huritau ki a koe!
Marathi (India) Wadhdiwasachya Shubhechha!
Mauritian Kreol mo swet u en bonlaniverser!
Mbula (Umboi Island, Papua New Guinea) Leleng ambai pa mbeng ku