Since there are no Italian names starting with K, today is a wildcard letter. I chose German names as a substitute, since there are so many with this letter, and I only used one German K name when I did my general Medieval names theme in 2018.
Kalogreant is the German form of Calogreant, a Knight of the Round Table. He’s associated with the mythological Welsh hero Cynon ap (son of) Clydno.
Kankor probably derives from the Old High German word kanker (spider), which took on the secondary meaning “weaver.”
Kitan is a Silesian nickname for Kristian (i.e., Christian).
Kraft, Krafft means “power, force.” Because of its traditional usage, particularly with noble families, this is one of the few words permitted as a name in modern Germany.
Kunz is a nickname for Konrad (brave counsel). This was a very popular name.
Katrey is a form of Katharina inspired by names like Offmey (Euphemia) and Sophey.
Katusch is a nickname for Katharina.
Ketha is a form of Käthe, a nickname for Katharina.
Ketherlein, Ketherlin, Kaetherlin, Keterlyn, and Ketherlin are nicknames for Katharina.
Kunhaus means “kin house.”
Kunizza is a nickname for names starting with the root kuni (family, clan) or kuoni (brave).