Cristian Daniel Sauan (born 18 March 1974 in Cluj-Napoca) is a former Romanian rugby union player.
He played as a wing.
Sauan played for U Cluj, in Romania, from 1992/93 to 2000/01.
He was runners-up of the National Championship in 2000/01, his best result at the team.
He moved to become a professional in Rugby Rovigo Delta, in Italy, where he played from 2001/02 to 2006/07.
He was runners-up to the Cup of Italy in 2006.
He moved afterwards to San Marco Rugby Club, playing there from 2007/08 to 2008/09.
He returned to Universitatea Cluj in 2009/10, where he finished his career in 2013/14.
He had 37 caps for Romania, from 1999 to 2007, scoring 14 tries, 70 points on aggregate.
He won three titles of the European Nations Cup, in 2000, 2001/02 and 2005/06.
He was called for the 1999 Rugby World Cup, playing in three games and scoring a try, and for the 2003 Rugby World Cup, playing in four games and scoring another try.