Liam Gillion

Youth career

Gillion played for Drury United, Manurewa and Western Suburbs at youth level, before making his first team debut with Suburbs in 2019.

Auckland City

In February 2022, Gillion signed with Auckland City.

Auckland FC

On 19 June 2024, Gillion signed a scholarship contract with new A-League side Auckland FC. He made 13 appearances during the 2024–25 season, recording one assist in a 4–1 win over Central Coast Mariners FC. Gillion scored his first goal for the club in a 4–0 win over Gold Coast Knights in the Australia Cup. On 14 January 2026, it was announced that Gillion would be part of Auckland FC (OFC) squad in the newly founded OFC Professional League, in line with OFC regulations allowing the inclusion of under-23 players from the A-League squad. On 17 January 2026, Gillion started in a 3–0 win over South Island United, scoring a penalty and was awarded the OFC Man of the Match award. On 25 June 2026, it was announced that Gillion would be leaving to pursue opportunities elsewhere.

Western Sydney Wanderers

On 26 June 2026, Gillion joined fellow A-League Men club Western Sydney Wanderers on a two-year contract. He made his debut for the club on 23 July, starting in a 2–0 victory over Tigers FC in the Australia Cup.

Gillion was called up for the New Zealand U23 for the 2023 OFC Men's Olympic Qualifying Tournament. He made his debut on 30 August 2023, in the first group game against Fiji. In July 2024, Gillion was selected as an alternate player for New Zealand U23 at the 2024 Summer Olympics.

Club

As of match played on 22 July 2026.

International

As of match played 18 November 2024

Gillion is the older brother of Fergus Gillion.