Ku qor sii wadida cutubkan - Gianclaudio Giuseppe "Clay" Regazzoni (5 Sebtember 1939 <unk> 15 Diseembar 2006) wuxuu ahaa darawal tartan oo Swiss ah. Wuxuu ku tartamay tartamada Formula One laga soo bilaabo 1970 ilaa 1980, isagoo ku guuleystay shan Grand Prix. Guushiisii ugu horeysay waxay ahayd tartankii Grand Prix ee Talyaaniga
wuxuu ku soo biiray kooxda Monza xilli ciyaareedkiisii ugu horeeyay, isagoo u safraya Ferrari. Wuxuu la joogay kooxda Talyaaniga ilaa. Kadib hal xilli ciyaareed oo uu la qaatay BRM, Regazzoni wuxuu ku soo laabtay Ferrari seddex sano oo kale, si uu u noqdo xiddiga ugu wanaagsan ee Ferrari. Kadib markii uu ugu dambeyntii ka tagay Ferrari dhamaadkii 1976, Regazzoni wuxuu ku biiray kooxaha Ensign iyo Shadow, ka hor inta uusan u dhaqaaqin Williams sanadkii 1976, halkaas oo uu ku guuleystay guushii ugu horreysay ee Grand Prix ee kooxda Ingiriiska, 1979 British Grand Prix ee Silverstone.