How do you say hey in Japanese?

The most common way to say "hey" in Japanese is "やあ" (yaa). It is pronounced like the English word "yah". It is an informal greeting and can be used with friends or people you are familiar with.

Other ways to say "hey" in Japanese include:

もい (moi): This is more casual and is used with close friends or family. It is pronounced like the English word "moy".

こんにちは (konnichiwa): This is the formal way to say "hello" in Japanese. It is pronounced like "kohn-nee-chee-wah".

おっす (ossu): This is a very informal greeting and is mostly used by men. It is pronounced like "oh-ssu".

やぁ (yaa): This is a more informal greeting and is used with friends or people you are familiar with. It is pronounced like the English word "yah".