Käärmann

Käärmann is an Estonian surname. The name is typically written with the Estonian diacritic ä and is found primarily in Estonia and among people of Estonian heritage. A non-diacritic variant used in international contexts is Kaarmann. Like many Estonian surnames, Käärmann may appear in different transliterations depending on language and country of residence.

Etymology and distribution of the surname are not widely documented in English-language reference works. As with numerous Estonian family names, the elements of Käärmann may reflect historical naming practices, but there is no single established origin that is universally cited. The surname is relatively uncommon and is most associated with individuals of Estonian background.

Notable people with the surname include Kristo Käärmann, an Estonian entrepreneur and co-founder of Wise (formerly TransferWise), a fintech company established in 2011. His prominence has contributed to international recognition of the surname in recent decades.

In summary, Käärmann is an Estonian surname with a diacritic spell­ing customary in Estonian orthography, carrying no single universally documented origin and with limited but notable public association through Kristo Käärmann.