Matias Gabriel Cammareri (born August 5, 1978 in Buenos Aires) is a field hockey midfielder from Argentina, who made his debut for the national squad in 1996.
He played in the Netherlands for a while, at Dutch club Stichtse Cricket en Hockey Club, like his brother Lucas Cammareri.
Cammareri finished in tenth place with the national team at the 2006 Men's Hockey World Cup in Mönchengladbach.