Luke Mathews (born 21 June 1995) is an Australian middle-distance runner who competes in the 800 metres and 1500 metres. He represented his country in both events at the 2016 Summer Olympics. As well as in the 4 × 800 m at the 2017 IAAF World Relays, the 1500m at the 2017 IAAF World Championships and in both events at the 2018 Commonwealth Games. He also competed for Australia at 2019 World Athletics Championships in the 800 m.