[4] The following clubs were affiliated with FC Košice: Slovakia

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

For recent transfers, see List of Slovak football transfers summer 2024 and List of Slovak football transfers winter 2024-25 Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Source:[7] The following players had international caps for their respective countries.

Players whose name is listed in bold represented their countries while playing for FC Košice.