Luke Alexander Blackaby (born 1 February 1991) is an English cricketer.
Blackaby is a left-handed batsman who bowls left-arm medium pace.
He was born in Farnborough, Kent and was educated at Wildernesse School.While studying for his degree in Sports at Durham University, Blackaby made his first-class debut for Durham MCCU against Durham in 2010.
He made four further first-class appearances for the team, the last of which came against Yorkshire in 2011.
In his five first-class matches, he scored 116 runs at an average of 16.57, with a high score of 38.
With the ball, he took a single wicket which came at an overall cost of 133 runs.