Pedro Damián Monzón (born 23 February 1962) is an Argentine football manager and former player who played as a defender.
Moncho Monzón played in different clubs, but most importantly in Independiente, with which he obtained 4 titles, including the Intercontinental Cup in 1984.
With the Argentina national team he scored one goal against Romania in the 1990 World Cup.
Monzón became the first player to be sent off in a World Cup final, when referee Edgardo Codesal gave him a straight red card for a high tackle on Jürgen Klinsmann of Germany 65 minutes into the game, 20 minutes after he replaced fellow defender Oscar Ruggeri.
In Ecuador, he was suspended for 2 months while coaching club Olmedo for aggression towards a referee.