Elijah Winnington (born 5 May 2000) is an Australian competitive swimmer who specialises in the sprint freestyle events.

[3] Winnington eventually swam under Richard Spence at Bond Swimming Club for a couple of years until changing to St Peter's Western under Dean Boxall.

Winnington's breakthrough would come at the 2018 Commonwealth Games where he won gold in the 4 × 200 m freestyle relay alongside Kyle Chalmers, Alexander Graham and Mack Horton.

At the 2021 Australian Swimming Trials, Winnington competed in the 50 m, 100 m, 200 m, 400 m and 800 m freestyle events.

Winnington won his first international gold medal in the 400m freestyle during the 2022 World Aquatics Championships in Budapest, Hungary.