Pierre Bonny (1895 – 26 December 1944) was a French police officer. As an inspector, he was the investigating officer on the 1923 Seznec case, in which he has been accused of falsifying the evidence. He was praised as one of the most talented police officers in the country helping to solve the notorious Stavisky financial scandal in 1934. In 1935 he was jailed for 3 years on corruption charges.