Samuel Lawrence Whitelock (born 12 October 1988 ) is a New Zealand rugby player. He plays as a lock for Crusaders in the Super Rugby competition and Canterbury in the Air New Zealand Cup.
He is the younger brother of George Whitelock and son of a former Junior All Black, Braeden Whitelock. All four Whitelock boys were educated in Feilding. Whitelock was part of the World championship winning team, the Baby All Blacks at the 2008 IRB Junior World Championship. He played 5 games, scoring a try against Argentina.
Whitelock made his Air New Zealand Cup debut in 2008 against Wellington. His Super Rugby debut was against the Highlanders in the 2010 Super 14 season.
In 2010, after impressing the All Black selectors, he was selected into the All Blacks team to the 2010 mid-year rugby test series as well as the 2010 Tri Nations Series. He made his debut, off the bench, against Ireland, and scored 2 tries. In 2011, he was selected into All Blacks World Cup Squad and became a starter in the second pool game, holding this position for the rest of the World Cup in which the team won the tournament.
