Jack William Nicklaus (wuxuu dhashay January 21, 1940), oo loo yaqaanay The Golden Bear, waa ciyaaryahan xirfadle ah oo Mareykan ah oo hawlgab ah. Sida laga soo xigtay dad badan oo indha indheyn ah, waa ciyaaryahankii ugu weynaa ee kubadda cagta ee waqtiga oo dhan. Muddo ka badan 25 sano, wuxuu ku guuleystay rikoor 18 horyaal oo waaweyn, saddex ka hor Tiger Woods (15). Nicklaus wuxuu diiradda saaray horyaallada waaweyn ee Masters Tournament, US Open, Open Championship iyo PGA Championship wuxuuna ciyaaray jadwal xulasho ah oo ka mid ah dhacdooyinka caadiga ah ee PGA Tour. Wuxuu ku tartamay horyaallada waaweyn (164) in ka badan ciyaaryahan kasta oo kale. Wuxuu ku dhammaystiray 73 guul PGA, oo kaalinta saddexaad ku jira liiska waqtiga oo dhan ka dambeeya Sam Snead Woods (82) iyo Tiger Woods (81).
ciyaaryahan xirfadle ah oo Mareykan ah oo howlgab ah