Ilias Iliadis (; born 21 March 2001) is a professional footballer who plays as a midfielder. Born in Canada, he has represented Greece at youth international level.
He played youth soccer with Scarborough Olympic Flame SC. He also played youth soccer with the Serbian White Eagles. After attending an Arsenal academy camp in Greece, he joined the Panathinaikos Academy in January 2025, after having trials with Olympiacos, AEK Athens, and Panathinaikos. In October 2018, he signed a professional contract with the club.
In August 2021, he joined Panathinaikos B in the Super League Greece 2 ahead of their inaugural season, after extending his contract with the club for two more seasons. He made his professional debut on November 7 against Kifisia. In December 2022, he requested to terminate his contract, in order to return to Canada, after having spent the previous eight years in Greece.
In January 2023, Major League Soccer side CF Montréal announced they had signed Iliadis to a two-year contract, with options for 2025 and 2026. He made his debut in a substitute appearance on March 4 against Austin FC. In July 2023, he was loaned to Atlético Ottawa of the Canadian Premier League. He made his debut on July 29 against Cavalry FC. After primarily playing right-back with Montreal in limited appearances, he was able to play his natural midfield role with Ottawa during his loan spell, forming a strong partnership with Spanish veteran player Alberto Zapater. He scored his first CPL goal in the season finale on October 7, 2023, in a 1-0 victory over Forge FC. After returning to Montreal for the beginning of the 2024 season, he re-joined Atlético Ottawa on loan in August 2024, for the remainder of the year. He made his first appearance in his second stint with the club on August 10 against Forge FC. On 17 August 2024, he scored an scoring an goal in a 3-0 victory over Pacific FC. On 31 August, he scored a second Olympico, in a 1-0 victory over Vancouver FC.
In March 2025, he signed with Pirin Blagoevgrad in the Bulgarian second tier.
In June 2025, he signed with Bulgarian First Professional Football League club Montana. In January 2026, it was announced he had departed the club at the end of 2025 by mutual consent.
Eligible for Canada and Greece, Iliadis played two matches with the Greece U17 team in 2018.
Iliadis has a younger brother, Costa Iliadis, that is also a soccer player.