Dybala has scored 16 goals and notched eight assists for champions Juventus this season and received 42 per cent of the votes of Goal readers for the Serie A prize.
The 22-year-old beat team-mate Paul Pogba to first place, with AC Milan sensation Gianluigi Donnarumma also in contention for top spot.
Fiorentina starlet Federico Bernardeschi, Inter hitman Mauro Icardi and Torino striker Andrea Belotti completed the top six.
In Ligue 1, 18-year-old Rennes sensation Dembele topped the voting on 39 per cent having registered 12 goals and five assists in 23 appearances.
Paris Saint-Germain midfielder Adrien Rabiot and Sofiane Boufal of Lille pushed the Rennes man close for the accolade, with Thomas Lemar, Vincent Koziello and Alban Lafont some way adrift.
There was no shock in the Bundesliga poll as Coman's superb season at Bayern Munich earned him almost half of all votes cast.
The 19-year-old has contributed four goals from the wing in the league and another two in the Champions League and placed ahead of Borussia Dortmund wonderkid Julian Weigl.
Borussia Monchengladbach prospect Mahmoud Dahoud came in third place and Julian Brandt, Jonathan Tah and Timo Horn completed the shortlist.
Atletico Madrid's match winner against Bayern Munich in midweek, Saul, was crowned Goal's Young Player of the Year in La Liga, seeing off competition from his team-mate Jan Oblak.
The Atleti duo dominated the voting ahead of Denis Suarez of Villarreal and Athletic's Aymeric Laporte, with Marco Asensio and Inaki Williams rounding out the contenders.