Buuxi weedha soo socota: Lodewicus Theodorus "Louis" Oosthuizen (; dhashay 1982) waa ciyaaryahan xirfadle ah oo reer Koonfur Afrika ah oo ku guuleystay tartanka Open Championship ee 2010. Waxa uu kaalinta labaad ka galay afarta horyaal ee ugu waawayn:
2015 iyo 2021 US Open, 2015 Open Championship, iyo PGA Championship ee 2017 iyo 2021. Meeshiisa ugu sareysa ee Darajada Golfka Adduunka ee Rasmiga ah waa kaalinta afaraad, oo uu gaadhay bishii Janaayo 2013.