just google for "Myers-Briggs" personality test or some such. there are tons out there. the longer the more "accurate", but the longer, the more tedious they can be.
OK, I'm ESFP. I haven't seen many of those on here. I read what that means, and I would say it is about 50 percent accurate.
I'm not sure what good it does to know your own, other that satisfying the curiosity ingrained in all humanity.