Diogo Coutinho (born 3 September 1977) is a former Portuguese rugby union footballer.
He played as a flanker for Direito, a Lisbon team.
He had 35 caps for Portugal, from 2000 to 2007, scoring 4 tries, 20 points in aggregate.
Coutinho played in three games at the 2007 Rugby World Cup and was chosen as the Man of the Match in the 10–14 loss to Romania.
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