Lucas Walker (born 6 December 1984) is an Australian basketball player for the Illawarra Hawks of the NBL1 East.

After five seasons with Melbourne, he had stints with the Adelaide 36ers, Perth Wildcats, Cairns Taipans and Sydney Kings.

After having a pre-season stint with the Brisbane Bullets,[11] Walker joined the Perth Wildcats in September 2016 as an injury replacement for Matthew Knight.

[12][13] On 20 October 2016, after Knight was given the all-clear to return to action, Walker was removed from the active 11-man playing roster.

He was subsequently a member of the championship-winning team in March 2017, and at the Wildcats MVP Ball, he was named the recipient of the Coaches' Award.

[15] After playing in the Queensland Basketball League with the Mackay Meteors during the 2017 off-season,[16] Walker re-joined the Wildcats for the 2017–18 season as a full-time player.

[18] After a short off-season stint with the Frankston Blues in the SEABL,[19] Walker joined the Cairns Taipans for the 2018–19 NBL season.