| Birth Date: | 4 August 1980 |
| Height: | 1.98 m |
| Weight: | 108kg (238lb) |
| Ru Position: | Lock |
| Repyears1: | 2002-2009 |
| Repcaps1: | 21 |
| Reppoints1: | 10 |
Augustin Simion Petrechei (born 4 August 1980 in Constanța) is a Romanian rugby union player. He plays as a lock.
Petrechei has been playing in France for USA Perpignan (2004/05), AS Béziers Hérault (2005/06-2008/09), US Marmande (2009/10) and for CA Périgueux, since 2010/11.
Petrechei had 21 caps for Romania, from 2002 to 2009, scoring 2 tries, 10 points on aggregate. Petrechei first game was at 7 September 2002, in a 39-8 loss to Ireland, in Limerick, in a friendly match. He was called for the 2003 Rugby World Cup, playing in three games and scoring a try. He would be called once again to the 2007 Rugby World Cup, but he never played. His most recent game was at 28 November 2009, in the 28-19 loss to Fiji, in Bucharest, in a tour friendly.[1]