Arjen Colquhoun (born October 13, 1992) is a professional defensive back for the Edmonton Eskimos in the Canadian Football League (CFL).
He was drafted by the Eskimos, with their second pick, 17th overall, in the second round of the 2016 CFL Draft.
He signed with the National Football League's Dallas Cowboys on May 1, 2016 after going undrafted in 2016 NFL Draft, but was part of the team's training camp cuts in August following an injury.
He then signed with the Eskimos on May 28, 2017.
He played college football for the Michigan State Spartans from 2011 to 2015.