Jenny Lamy (born 28 February 1949) is a former Australian sprinter.
Lamy's international debut came at the 1966 British Empire and Commonwealth Games in Kingston, Jamaica, where she won a silver medal in the 220 yards race behind countrywoman Dianne Burge and shared in a sprint relay gold medal.
Still a junior at the 1968 Summer Olympics in Mexico City she won a bronze medal in 200 metres behind the Polish gold medalist Irena Szewińska and another Australian, Raelene Boyle.
Lamy went on to compete in two further Commonwealth Games, winning gold-medals on each occasion as part of the Australian 4x100 metres relay teams.
In her career, she won three Australian national championships: the 200 m in 1967 and the 100 m/200 m sprint double in 1969.