[mabbo]

And this is why we need to really rethink the typical patterns on form inputs, which today usually presume a western style name pattern.

Just ask people for their full name, and what they would prefer to be called. (Unless you literally cannot provide your services' value without more detail).

[Arnavion]

I think most online forms I encounter these days have a single name field, though government forms are usually the exception. Separate first and last name fields was definitely very common 10-20 years ago but web devs seem to have learned since then.