Here is how you can say "whatever" in Spanish:

1. "Lo que sea" - This is the most common way to say "whatever" in Spanish. It can be used in many different contexts.

2. "Cualquier cosa" - This is another way to say "whatever" in Spanish. It is often used when you want to say "anything" or "anyway".

3. "Sea lo que sea" - This phrase means "whatever it may be". It is often used when you want to express that you are ready for anything.