I don't like many K names. Most of the ones I almost like, I prefer spelled with a C.
I'd consider a
Katherine name, and my favorite K spelling is
Kathryn.
I also kind of like
Kira, and
Kiara.
Looking at Japanese names, I like these:
KaoriKasumiKazueKikuKiyokoKokoroKumiko
Kira Ophelia CelesteKathryn Ermengarde
JaneKiku Electra MaryKiyoko Adora Justine