Harry Stiller (born 28/5/1938) is a retired British motor racing driver and former British Formula Three Champion. His racing career covered the years between 1958 and 1969 and he drove a variety of different classes of cars. After stopping driving himself he became an entrant in 1970 and he had cars in F3, Formula Atlantic, F5000 and in 1975, F1.
He is particularly well known for being the person responsible for starting Alan Jones in Formula One in 1975 alongside James Hunt in the Hesketh F1 team. This was not the first time Jones had driven for Stiller as he had driven for him in the works March Formula Atlantic car in the 1974 UK John Players championship.
Racing career 
- Double British F3 Champion in 1966 and 1967 (joint holder of the highest number of wins in one F3 season with Ayrton Senna).
- European Cup captain of the British F3 team in 1968.
- Works F2 driver for Cooper, Lola and Merlyn.
- Drove at Le Mans in 1962 and 1967