Iniesta played a central role for Spain in Sunday's 4-0 win over Italy as they became the first country to retain the title.
Andy Roxburgh, the head of UEFA's technical group, told reporters: "Andrea Pirlo was magnificent for Italy, Xavi won it last time and could have won it again. Xabi Alonso was magnificent but Iniesta sends a message about creative and incisive football and was superb throughout."
The UEFA squad of Euro 2012:
Goalkeepers; Gianluigi Buffon (Italy), Iker Casillas (Spain), Manuel Neuer (Germany).
Defenders: Gerard Pique (Spain), Fabio Coentrao (Portugal), Philipp Lahm (Germany), Pepe (Portugal), Sergio Ramos (Spain), Jordi Alba (Spain).
Midfielders: Daniele De Rossi (Italy), Steven Gerrard (England), Xavi (Spain), Andres Iniesta (Spain), Sami Khedira (Germany), Sergio Busquets (Spain), Mesut Ozil (Germany), Andrea Pirlo (Italy), Xabi Alonso (Spain).
Forwards: Mario Balotelli (Italy), Cesc Fabregas (Spain), Cristiano Ronaldo (Portugal), Zlatan Ibrahimovoic (Sweden), David Silva (Spain).
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