Márcio de Souza

Márcio Simão de Souza (born 24 January 1975 in Santo André, São Paulo) is a retired Brazilian hurdler who specialised in the 110 metres hurdles. Early in his career he competed as a decathlete.

He finished fifth at the 2003 World Championships in Paris and won a bronze medal at the 2003 Pan American Games in Santo Domingo.

His personal best time is 13.38 seconds, achieved in June 1999 in Rio de Janeiro.