Klaas

Dutch and Low German short form of NICHOLAS.

NICHOLAS   male   English, French
From the Greek name Νικολαος (Nikolaos) which meant "victory of the people" from Greek νικη (nike) "victory" and λαος (laos) "people". Saint Nicholas was a 4th-century bishop from Anatolia who, according to legend, saved the daughters of a poor man from lives of prostitution. He is the patron saint of children, sailors and merchants, as well as Greece and Russia. He formed the basis for the figure known as Santa Claus (created in the 19th century from Dutch Sinterklaas), the bringer of Christmas presents.

Due to the renown of the saint, this name has been widely used in the Christian world. It has been common in England since the 12th century, though it became a bit less popular after the Protestant Reformation. The name has been borne by five popes and two czars of Russia.
FULL FORMS
DUTCH: Nicolaas, Nikolaas
EQUIVALENTS
ANCIENT GREEK: Nicolaus, Nikolaos
BASQUE: Nikola
BULGARIAN: Nikola, Nikolai, Nikolay
CATALAN: Nicolau
CROATIAN: Nikica, Niko, Nikola, Nikša
CZECH: Mikoláš, Mikula, Mikuláš, Nikola
DANISH: Cai, Caj, Claus, Kai, Kaj, Kay, Klaus, Nels, Niels, Niklas, Nikolaj, Nils
DUTCH: Kai, Klaas, Nick, Nico, Niek
ENGLISH: Nic, Nicholas, Nick, Nickolas, Nicky, Nik, Nikolas
ESPERANTO: Niĉjo, Nikolao
ESTONIAN: Nigul
FINNISH: Kai, Klaus, Niilo, Niklas, Niko
FRENCH: Nicholas, Nicolas
FRISIAN: Kai, Kay, Klaes
GALICIAN: Nicolau
GEORGIAN: Nika, Nikoloz, Nikusha
GERMAN (SWISS): Niklaus
GERMAN: Claus, Kai, Kay, Klaus, Nickolaus, Nico, Nicolaus, Niklas, Nikolaus
GREEK: Nicolaos, Nik, Nikolaos, Nikolas
HUNGARIAN: Kolos, Miklós, Miksa, Nikola
IRISH: Nioclás
ITALIAN: Niccolò, Nico, Nicola, Nicolò
LATVIAN: Nikolajs
LIMBURGISH: Klaos
LOW GERMAN: Klaas
MACEDONIAN: Nikola, Nikolche
MAORI: Nikora
MEDIEVAL ENGLISH: Col, Nichol, Nicol
MEDIEVAL SLAVIC: Nikola
NORWEGIAN: Cai, Caj, Kai, Kaj, Kay, Klaus, Niklas, Nils
POLISH: Mikołaj
PORTUGUESE: Nico, Nicolau
ROMANIAN: Neculai, Nicolae, Nicu, Nicușor
RUSSIAN: Kolya, Nikolai, Nikolay
SCOTTISH: Neacel, Nichol, Nicol
SERBIAN: Nikica, Nikola
SLOVAK: Mikuláš
SLOVENE: Miklavž, Nik, Niko, Nikola, Nikolaj
SPANISH: Nico, Nicolao, Nicolás
SWEDISH: Cai, Caj, Claes, Kai, Kaj, Kay, Klas, Niklas, Nils
UKRAINIAN: Mykola
DIMINUTIVES AND SHORT FORMS
ENGLISH: Colin, Collin
FINNISH: Launo
FEMININE FORMS
BASQUE: Nikole
BULGARIAN: Nikol, Nikolina
CROATIAN: Lina, Nika, Nikolina
CZECH: Nicol, Nicola, Nikol, Nikola
DUTCH: Klasina, Klazina, Nicol, Nicole, Nicolet, Nicoline
ENGLISH (BRITISH): Nichola
ENGLISH: Nichole, Nicky, Nicola, Nicole, Nikki, Nikkole, Nikole
FRENCH: Colette, Coline, Nicole, Nicolette, Nicoline
GERMAN: Nicol, Nicola, Nicole, Nikola
GREEK: Nikoleta
HUNGARIAN: Nikolett
ITALIAN: Lina, Nicoletta, Nicolina
MACEDONIAN: Nikolina
MAORI: Nikora
POLISH: Nikola
ROMANIAN: Nicoleta
SERBIAN: Nikolina
SLOVAK: Nikola
SLOVENE: Nika
SPANISH: Nicolasa