European champions Madrid have six players nominated, as well as Cristiano Ronaldo who has joined Juventus since helping the Merengues to a third straight UEFA Champions League title in Kyiv in May.
There are three nominees per position, with the winners set to be announced during the 2018/19 group stage draw in Monaco on Thursday 30 August.
Positional award nominees for the 2017/18 UEFA Champions League season
Goalkeepers: Alisson Becker (Roma, now Liverpool), Gianluigi Buffon (Juventus, now Paris), Keylor Navas (Real Madrid)
Defenders: Marcelo (Real Madrid), Sergio Ramos (Real Madrid), Raphaël Varane (Real Madrid)
Midfielders: Kevin De Bruyne (Manchester City), Toni Kroos (Real Madrid), Luka Modrić (Real Madrid)
Forwards: Lionel Messi (Barcelona), Cristiano Ronaldo (Real Madrid, now Juventus), Mohamed Salah (Liverpool)