There are probably many more threads like this out there, but I'm drunk and smelling like blackpowder (fireworks!), so Happy 2007 everyone!
Afgani - Saale Nao Mubbarak Afrikaans - Gelukkige nuwe jaar Albanian - Gezuar Vitin e Ri Armenian - Snorhavor Nor Tari Arabic - Antum salimoun Assyrian - Sheta Brikhta Azeri - Yeni Iliniz Mubarek! Bengali - Shuvo Nabo Barsho Bulgarian - ×åñòèòà Ãîâà ÃîäèÃà (pronounced "Chestita Nova Godina") Cambodian - Soursdey Chhnam Tmei Catalan - FELIÇ ANY NOU Chinese - Xin Nian Kuai Le Corsican Language - Pace e Salute Croatian - Sretna Nova godina! Cymraeg (Welsh) - Blwyddyn Newydd Dda Czechoslovakia - Scastny Novy Rok Denish - Godt NytÃ¥r Dhivehi - Ufaaveri Aa Aharakah Edhen Dutch - GELUKKIG NIEUWJAAR! Eskimo - Kiortame pivdluaritlo Esperanto - Felican Novan Jaron Estonians - Head uut aastat! Ethiopian: - MELKAM ADDIS AMET YIHUNELIWO! Finnish - Onnellista Uutta Vuotta French - Bonne Annee Gaelic - Bliadhna mhath ur Galician [NorthWestern Spain] - Bo Nadal e Feliz Aninovo German - Prosit Neujahr Greek - Kenourios Chronos Gujarati - Nutan Varshbhinandan Hawaiian - Hauoli Makahiki Hou Hebrew - L'Shannah Tovah Hindi - Naye Varsha Ki Shubhkamanyen Hong kong - (Cantonese) Sun Leen Fai Lok Hungarian - Boldog Ooy Ayvet Indonesian - Selamat Tahun Baru Iranian - Saleh now mobarak Iraqi - Sanah Jadidah Irish - Bliain nua fe mhaise dhuit Italian: - Felice anno nuovo Japan: - Akimashite Omedetto Gozaimasu Kabyle: - Asegwas Amegaz Kannada: - Hosa Varushadha Shubhashayagalu Kisii: - SOMWAKA OMOYIA OMUYA Khmer: - Sua Sdei tfnam tmei Korea: - Saehae Bock Mani ba deu sei yo! Kurdish: - NEWROZ PIROZBE Lithuanian: - Laimingu Naujuju Metu Laotian: - Sabai dee pee mai Macedonian - Srekjna Nova Godina Malay - Selamat Tahun Baru Marathi : - Nveen Varshachy Shubhechcha Malayalam : - Puthuvatsara Aashamsakal Maltese - Is-Sena t- Tajba Nepal - Nawa Barsha ko Shuvakamana Norwegian - Godt NyttÃ¥r Papua New Guinea - Nupela yia i go long yu Pampango (Philippines) - Masaganang Bayung Banua Pashto - Nawai Kall Mo Mubarak Shah persian - Saleh now ra tabrik migouyam Philippines - Manigong Bagong Taon Polish: - Szczesliwego Nowego Roku Portuguese - Feliz Ano Novo Punjabi - Nave sal di mubarak Romanian - AN NOU FERICIT Russian - S Novim Godom Samoa - Manuia le Tausaga Fou Serbo-Croatian - Sretna nova godina Sindhi - Nayou Saal Mubbarak Hoje Singhalese - Subha Aluth Awrudhak Vewa siraiki - Nawan Saal Shala Mubarak Theevay Slovak - A stastlivy Novy Rok slovenian - sreèno novo leto Somali - Iyo Sanad Cusub Oo Fiican! Spanish - Feliz Ano ~Nuevo Swahili - Heri Za Mwaka Mpyaº Swedish - GOTT NYTT Ã…R! /Gott nytt Ã¥r! Sudanese - Warsa Enggal Tamil - Eniya Puthandu Nalvazhthukkal Telegu - Noothana samvatsara shubhakankshalu Thai - Sawadee Pee Mai Turkish - Yeni Yiliniz Kutlu Olsun Ukrainian - Shchastlyvoho Novoho Roku Urdu - Naya Saal Mubbarak Ho Uzbek - Yangi Yil Bilan Vietnamese - Chuc Mung Tan Nien Welsh : - Blwyddyn Newydd Dda!