Know-How to Say Hello in French! Hello is a common French phrase that can be used in a variety of situations. It’s one of the most widely spoken languages in the world, so learning to say hello in French is a great way to practise your language skills and meet new people! Here’s how to say hello in French: I’m French, so I say bonjour. (bon-zhor) Hello. Follow the link from this section and get to know How to Say Hello in French: 12 Useful French Greetings