Formal:
* Je parle français. (pronounced: juh parl frahn-say) - This is the most common and direct way to say it.
Informal:
* Je suis français. (pronounced: juh swee frahn-say) - This literally means "I am French" but is often used to mean "I speak French".
* Je comprends le français. (pronounced: juh kom-prahn luh frahn-say) - This means "I understand French" and can be used to indicate your ability to speak it.
To indicate your level of fluency:
* Je parle français couramment. (pronounced: juh parl frahn-say koo-rah-mahn) - This means "I speak French fluently."
* Je parle un peu français. (pronounced: juh parl un peu frahn-say) - This means "I speak a little French."
To express your interest in speaking French:
* J'aimerais apprendre à parler français. (pronounced: zhay-ray-may a-prahn-druh ah par-lay frahn-say) - This means "I would like to learn to speak French."
The best way to say "I speak French" will depend on the situation and who you're talking to.