Formal:
* Disenyador ng Moda - This is the most literal and formal translation.
* Manlilikha ng Moda - This translates to "creator of fashion" and has a more artistic connotation.
Informal:
* Disenyo ng damit - This translates to "clothing designer" and is more commonly used in everyday conversation.
* Taga-disenyo ng damit - This translates to "designer of clothes" and is also a common informal term.
You can also use the English term "fashion designer" in Filipino conversations. However, using the Filipino terms will make your language more fluent and natural.
Ultimately, the best way to say "fashion designer" in Filipino depends on the situation and your personal preference.