| Harry Blanchard | |
| Nationality: |  American |
| Birth Date: | 13 June 1929 |
| Death Place: | Buenos Aires, Argentina |
| Races: | 1 |
| Championships: | 0 |
| Wins: | 0 |
| Podiums: | 0 |
| Points: | 0 |
| Poles: | 0 |
| Fastest Laps: | 0 |
Harry Cutler Blanchard (June 13, 1929, Burlington, Vermont – January 31, 1960, Buenos Aires, Argentina) was an American racecar driver.
His only Grand Prix appearance came at the wheel of a Porsche RSK Formula 2 car in the first US Grand Prix at Sebring in 1959. He finished seventh and last, four laps behind the winner Bruce McLaren. A few months later he died when his Porsche sportscar overturned during the 1000 km Buenos Aires race.
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