|Born||29 April 1984|
|Height||1.90 m (6 ft 3 in)|
|Weight||91 kg (201 lb)|
He competed for his native country at the 2004 Summer Olympics in Athens in the single sculls, and won the gold medal in the men's double sculls event at the 2005 Mediterranean Games alongside Alessio Sartori. At the 2010 World Championships, he finished second in the men's quadruple sculls. At the 2012 Summer Olympics, he competed in the quadruple sculls.
- Matteo Stefanini at World Rowing
- Matteo Stefanini at Olympics.com
- Matteo Stefanini at Olympedia
- Matteo Stefanini at the Italian National Olympic Committee (in Italian)