Gung Hay Fat Choy!

Xin Hae Kuai Le!
Sae Hae Bok Man Ee Baud Eu Sae Yo!
Akemashite Omedetou Gozaimasu!
Chúc Mừng Năm Mới !


And all that stuff.


Edit: My bad. The Japanese used to celebrate Chinese New Year until 1873. Oh well.
Also added the Vietnamese saying.