* Hello
* Hi
* Good morning
* Good afternoon
* Good evening
In informal settings, you may also hear "Alright", "How's it going?" or "What's up?"
It's also common to use a person's name when greeting them, such as "Hello, John" or "Hi, Sarah".
In Scotland and Northern Ireland, you may hear people say "Hello, how are ye?" or "Hey, how are you keepin'?"