How do you say my little man in french?

There isn't one perfect translation for "my little man" in French, as it depends on the context and the relationship between the speaker and the person being referred to. Here are some options:

Formal:

* Mon petit homme (most literal translation)

* Mon cher garçon (my dear boy)

Informal:

* Mon petit bonhomme (my little fellow)

* Mon petit chou (my little cabbage - used affectionately for a child)

* Mon petit trésor (my little treasure)

* Mon petit cœur (my little heart)

Other options:

* Mon p'tit gars (my little guy - very familiar and casual)

* Mon petit loup (my little wolf - often used playfully)

The best option will depend on the specific situation and the relationship between the speaker and the person being addressed.