Nicknamed "the Reds", due to the dominant colour of the home shirts, Adelaide was one of the eight founding members of the A-League.
The Reds also won the A-League Pre-Season Challenge Cup in 2006 and 2007, and reached the 2008 AFC Champions League Final.
The following list contains all footballers who have represented their country at full international level whilst being an Adelaide player.
Adelaide United's first internationals were Travis Dodd and Michael Valkanis, who appeared for Australia on 16 August 2006, in a 2–1 victory over Kuwait.
Australian goalkeeper Craig Goodwin is Adelaide's most capped player, appearing in thirteen games for his country between 2016 and 2023.