- fifaratings.com kostas-manolasCheck out Kostas Manolas and his rating on FC 25. View his overall, offense & defense attributes, compare him with other players in the game.
- commons.wikimedia.org wiki/Category:Kostas_Manolas
- worldfootball.net player_summary/kostas-manolas/Kostantinos Manolas, Plays forUS Salernitana 1919, Sharjah FC, Olympiakos Piraeus, SSC Napoli, AS Roma, AEK Athen, Thrasyvoulos Fylis.
- vk.com wall-199045714_233977
- wiki2.org ru/Манолас,_Костас
- football-fun-live.com player/konstantinos-manolas
- championat.com tags/26206-kostas-manolas/news/