The March 702 was a Formula 2 racing car built in 1970 by March Engineering.

The March 702 was the first Formula 2 car was built by March. The vehicle was based on the March 693, the Formula 3 racing car from 1969. For Formula 2, the tubes of the frame had been reinforced so that the weight of the car was at the upper limit. For drive, a Cosworth FVA engine was used. After a year of design and construction of a lighter chassis, the car was competitive at the end of the season.

The only victory of the 702 was with the Swiss driver Xavier Perrot in 1970 at Nürburgring race. Perrot won the race.