Lachlan Robert Tua Jackson (born 12 March 1995) is an Australian professional footballer who plays as a centre-back for K League 1 club Suwon.

Jackson made his senior professional debut against the Melbourne Victory, entering the match as a substitute for the fatigued Luke DeVere in the 84th minute, a game which the Roar lost 2–1.

Jackson continued his playing by being a starting player in the penultimate clash against the Victory at Suncorp Stadium, and proved to be a bulwark in defence despite the Roar going down 1–0 in spite of a controversial penalty.

In the dying minutes of the match, Jet's custodian Ben Kennedy saved a shot from youthful winger Shannon Brady, yet Jackson was there to collect the rebound and finished clinically into the left corner.

On 3 June 2021, the Jets announced Jackson had departed on mutual consent after accepting a deal to player overseas.