Jarek Alexander Lancaster (born March 24, 1990) is a former American football linebacker for the Stanford Cardinal.

Lancaster attended the Sandra Day O'Connor High School in Helotes, TX, where he played defensive end, linebacker and quarterback.

[1] Lancaster completed his career at Stanford playing in 54 straight games with 146 tackles (93 solo) and 6.5 sacks.

His most notable season came as a sophomore in 2011, while replacing injured Shayne Skov,[2] Lancaster started 10 games, leading the team in tackles with 70 (44 solo) for the #7 ranked Cardinal, punctuated by a 7 tackle performance in a Fiesta Bowl loss to Oklahoma State.

[1] Jarek is the nephew of Sacha Lancaster, a former NFL Europe, CFL and AFL defensive end.