How do you say hello i speak Portuguese in Portuguese?

There are a few ways to say "hello, I speak Portuguese" in Portuguese, depending on the formality and context:

Formal:

* Olá, eu falo português. (This is the most common and direct way to say it.)

* Bom dia/Boa tarde/Boa noite, eu falo português. (You can use these greetings depending on the time of day.)

Informal:

* Oi, eu falo português. (This is a more casual way to say it.)

* E aí, falo português. (This is very informal and can be used with friends.)

Other options:

* Falo português. (This is short and simple, but it might come off as abrupt.)

* Eu sei falar português. (This means "I know how to speak Portuguese.")

Remember to choose the appropriate greeting and level of formality based on the situation.