Luiz Pacheco Drummond (14 February 1940 — 1 July 2020), nicknamed Luizinho Drummond, was an illegal lottery operator (bicheiro) and the patron of samba school Imperatriz Leopoldinense. He was the president of the Independent League of Samba Schools of Rio de Janeiro (LIESA) from 1998 to 2001. He was born and died in Rio de Janeiro.