How do you say designer in Swedish?

Answer 1

1) formgivning (the concept of designing something, e.g. when you study design to become a designer), c.f. designer = formgivare

2) utformning (the actual physical design of an object)

3) design (anglicism that is quite frequent, covers both "formgivning" and "utformning")

Answer 2

Designer is simply designer in Swedish. It's even pronounced the same way as in English.