Pieter Johannes "Piet" Potgieter (1822 – 1854) was a South African Boer political figure. He was the acting from 1852 to 1854, and the first son of voortrekker Andries Potgieter. He married Elsie Maria Aletta van Heerden, who later married Stephanus Schoeman, a subsequent leader of Zoutpansberg, and acting president of the South African Republic. The town Piet Potgietersrust, now Mokopane, was named in Potgieter's memory in 1907.