Since 1984, Seoul is competing in the K League 1, the highest level of football in the country.
FC Seoul's one-club men Go Yo-han is the club's all-time most capped player in official competitions with 446 appearances.
The list below includes all FC Seoul players who have made at least 100 official appearances for the club or who have been capped at full international level by their countries.
Former captains, individual award winners or club record holders are also included.
For the list of the club's active players, see FC Seoul's current squad.