Sofia Stefan (born 12 May 1992) is an Italian rugby union player.

Stefan, originally from Padua but raised between Vigodarzere and Camposampiero, where she completed her high school studies.

In the summer of 2013 she moved to France to play for Stade Rennais, while at the same time undertaking studies in motor sciences at the Rennes 2 University.

She was one of the crucial players in Italy's qualification for the 2017 Women's Rugby World Cup, they obtained four victories, two each against Wales and Scotland in the Six Nations of 2015 and 2016 (a fifth, against France in 2015, which was irrelevant for the purposes of qualification), she was one of the 28 athletes called up for the world championship in Ireland, albeit in the role of wing or centre.

[1][2] Stefan joined English club, Sale Sharks, for the 2024–25 Premiership Women's Rugby season.