Stefen David Wisniewski (born March 22, 1989) is an American former professional football player who was a guard and center.

Wisniewski became the first Penn State Football student-athlete to be named an ESPN Academic All-American three times, having been a first team selection in 2008, 2009, and 2010.

[4] His uncle, Steve Wisniewski, was an 8-time Pro Bowl guard for the Raiders and was selected in the second round (29th overall) of the 1989 NFL draft.

On opening day of the 2011 NFL season, the offensive line cleared the way for 190 rushing yards and a victory over the Denver Broncos.

[7] In January 2012, Wisniewski was named to the Pro Football Weekly All-Rookie team for his outstanding rookie season as starting left guard.

With the departure of Samson Satele to the Indianapolis Colts in the 2012 offseason, Wisniewski became the Raiders' starting center.

[12] In 2018, Wisniewski entered the season as the starting left guard, but was then benched in Week 5 in favor of Isaac Seumalo.

On March 11, 2019, the Eagles declined the team option on Wisniewski's contract, making him an unrestricted free agent.

[19] He started at right guard in the Steelers' 2020 season opener against the New York Giants, as regular starter David DeCastro was injured.