Jean de Madre
| Olympic medal record
|Silver||1900 Paris||Team competition|
Jean "Johnny" Pierre M. J. de Madre, Comte de Loos (September 17, 1862 – January 2, 1934) was a British polo player who competed in the 1900 Summer Olympics.
He was born in Meudon and died in Paris.
In 1900 he was part of the BLO Polo Club Rugby polo team which won the silver medal.