Ștefan Ciuntu (born 10 April 1986) is a Romanian rugby union player.
He won 3 titles of the Romanian Rugby Championship, in 2008/09, 2009/10 and 2010/11.
He has 34 caps for Romania, since 2007, with 10 tries scored, 50 points on aggregate.
He was called for the 2007 Rugby World Cup, playing a single game, without scoring, and for the 2011 Rugby World Cup, playing in three games and remaining scoreless once again.
This biographical article relating to Romanian rugby union is a stub.