- worldfootball.net player_summary/kaan-ayhan/Kaan Ayhan - Galatasaray, Sassuolo Calcio, Fortuna Düsseldorf, FC Schalke 04, Eintracht Frankfurt, FC Schalke 04 II...
- footballdatabase.eu en/player/details/138841-kaan…Kaan Ayhan's player data and stats...
- news.myseldon.com en/dossier/person/24762667/main
- aiscore.com ru/player-kaan-ayhan/l6kegix6lrfl75d
- sports.ru football/person/kaan-ayhan/
- ru.wikibrief.org wiki/Kaan_Ayhan
- campeones.ua kaan_ayhan/
- soccer.ru players/news/kaan-ayhan