Francesco "Coco" Mazzariol (born Treviso, 1 March 1975) is an Italian former rugby union footballer and a current coach. He played firstly as a scrum-half, and later in his career (with more success) at fly half.
Mazzariol first played at Benetton Rugby Treviso, where he become a professional for the season of 1995/96. He would play for his home team until 2002/03, then moving to Gran Parma Rugby, where he played until 2009/10, when he finished his career. The Italian fly half then signed for Rugby Parma F.C. at 2005/06, where he still plays. Mazzariol played in the 2006 Heineken Cup play-off game against the Dragons kicking 11 vital points in a 24-16 victory.
He won for Benetton Rugby Treviso 5 titles of the Italian Champiopnship, in 1996/97, 1997/98, 1998/99, 2000/01 and 2002/03, and the Cup of Italy, in 1998. He won for Rugby Parma F.C. the Cup of Italy, in 2007 and 2008.
Mazzariol holds 33 caps for Italy, from 1995 to 2004, having scored 2 tries, 13 conversions and 15 penalties, 81 points in aggregate. He did not have more caps mostly due to the strong opposition from Alessandro Troncon.