Sean Robert Jamieson (born March 2, 1989) is a Canadian former professional baseball infielder.

Jamieson attended Holy Trinity Catholic Secondary School in Simcoe, Ontario and then Niagara County Community College where he maintained a 3.98 grade point average and won a NJCAA Division III Gold Glove award in 2009.

[4] The Oakland Athletics selected Jamieson in the 17th round of the 2011 MLB draft.

The Athletics traded him to the Arizona Diamondbacks for Stephen Drew in August 2012.

[5] He played for the Canadian national baseball team in the 2015 Pan American Games[6] and 2015 WBSC Premier12.