Pieter Stephanus "Piet" du Toit, (born October 1935 in Petrusville and died 26 February 1996 in Hermanus) was a former South African rugby international.
He played as a prop.
Due to his relative small stature and light weight for a prop, but still being a strong scrummager, he was known as Piet "Spiere" du Toit.