Brian Hart Ltd., also known as Hart and Hart Racing Engines, was a motor racing engine manufacturer that participated in 157 Formula One Grands Prix, powering a total of 368 entries.
Brian Hart Ltd., tamén coñecido como Hart e Hart Racing Engines, foi un fabricante de motores para automobilismo que participou en 157 Grandes Premios de Fórmula Un, cun total de 368 saídas.