Nicklaus is a Germanic form of Nicholas, from Greek elements meaning "victory of the people."
Nicklaus is a German and Dutch variant of Nicholas, itself derived from the Greek Nikolaos — a compound of nikē (victory) and laos (people), meaning victory of the people. It is one of the great names of Christian Europe, borne to greatest fame by Saint Nicholas of Myra, the fourth-century bishop of Lycia whose legendary generosity to children — most famously providing secret dowries for three impoverished sisters — transformed him over centuries into Sinterklaas in the Low Countries, and eventually into the global figure of Santa Claus. Few names in history have traveled as far or transformed as completely as Nikolaos-Nicholas-Klaus-Santa Claus.
In its more formal German spelling, Nicklaus is most immediately associated in the modern world with Jack Nicklaus, widely regarded as the greatest golfer in the history of the sport. The Golden Bear, as he is known, won 18 major championships between 1962 and 1986, a record that has stood for decades and may stand indefinitely. His name carries the quiet authority of someone who simply kept winning for a quarter century, and for golf-loving families, Nicklaus has carried a particular reverence since the 1960s.
The name also connects to a long European lineage: from Nicklaus of Cusa, the fifteenth-century German philosopher and cardinal, to various Nicklaus-variant figures across Swiss, Austrian, and German history. In contemporary naming, Nicklaus occupies a sweet spot between the familiar and the distinguished. It reads as Nicholas with an accent, more European and slightly more formal, while retaining the warm nickname Nick that has served generations of bearers well across every social register.