| « Hector Rebaque | Drivers / 1977 / Clay Regazzoni | Carlos Reutemann » | |
| « 1976 | 1978 » |
| Full name: | Gian-Claudio Giuseppe Regazzoni |
| Nationality: | Swiss |
| Date of Birth: | Tuesday, 5 September 1939 |
| Place of birth: | Mendrisio, Lugano, Switzerland |
| Date of death: | Friday, 15 December 2006 |
| Age at death: | 67 years, 101 days (3 months, 10 days) |
| Debut: | 1970 Dutch Grand Prix |
| Active years: | 1970 – 1980 (11) |
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| Rd | Date | Grand Prix | Constructor | Car | Grid | Race | Points | Champ. Points | Rank |
| 1 | 9 Jan | Argentina | Ensign-Ford Cosworth | N177 | 12 | 6 | 1 | 1 | 6 |
| 2 | 23 Jan | Brazil | Ensign-Ford Cosworth | N177 | 9 | Ret | 0 | 1 | 9 |
| 3 | 5 Mar | South Africa | Ensign-Ford Cosworth | N177 | 16 | 9 | 0 | 1 | 11 |
| 4 | 3 Apr | United States West | Ensign-Ford Cosworth | N177 | 13 | Ret | 0 | 1 | 11 |
| 5 | 8 May | Spain | Ensign-Ford Cosworth | N177 | 8 | Ret | 0 | 1 | 11 |
| 6 | 22 May | Monaco | Ensign-Ford Cosworth | N177 | DNQ | 0 | 1 | 11 | |
| 7 | 5 Jun | Belgium | Ensign-Ford Cosworth | N177 | 13 | Ret | 0 | 1 | 15 |
| 8 | 19 Jun | Sweden | Ensign-Ford Cosworth | N177 | 14 | 7 | 0 | 1 | 17 |
| 9 | 3 Jul | France | Ensign-Ford Cosworth | N177 | 16 | 7 | 0 | 1 | 17 |
| 10 | 17 Jul | Great Britain | Ensign-Ford Cosworth | N177 | DNQ | 0 | 1 | 17 | |
| 11 | 31 Jul | Germany | Ensign-Ford Cosworth | N177 | 22 | Ret | 0 | 1 | 17 |
| 12 | 14 Aug | Austria | Ensign-Ford Cosworth | N177 | 11 | Ret | 0 | 1 | 17 |
| 13 | 28 Aug | Netherlands | Ensign-Ford Cosworth | N177 | 9 | Ret | 0 | 1 | 18 |
| 14 | 11 Sep | Italy | Ensign-Ford Cosworth | N177 | 7 | 5 | 2 | 3 | 17 |
| 15 | 2 Oct | United States | Ensign-Ford Cosworth | N177 | 19 | 5 | 2 | 5 | 17 |
| 16 | 9 Oct | Canada | Ensign-Ford Cosworth | N177 | 14 | Ret | 0 | 5 | 17 |
| 17 | 23 Oct | Japan | Ensign-Ford Cosworth | N177 | 10 | Ret | 0 | 5 | 17 |