Lajos Simó (born 12 July 1943 in Reghin) is a Hungarian former handball player who competed in the 1972 Summer Olympics.
In 1972 he was part of the Hungarian team which finished eighth in the Olympic tournament.
He played all six matches and scored twelve goals.Simó also participated on three World Championships in row between 1967 and 1974, achievieing his best result in the last one with a seventh place.