2012 Dubai Tennis Championships – Men's singles

Novak Djokovic was the three-time defending champion, but lost in the semifinals to Andy Murray. Roger Federer won his fifth Dubai title, defeating Murray 7–5, 6–4 in the final. He did not lose a single set in the entire tournament.

Seeds
• # 🇷🇸 Novak Djokovic (semifinals)

• # Roger Federer (champion)

• # 🇬🇧 Andy Murray (final)

• # 🇫🇷 Jo-Wilfried Tsonga (quarterfinals)

• # 🇨🇿 Tomáš Berdych (quarterfinals)

• # 🇺🇸 Mardy Fish (second round)

• # 🇷🇸 Janko Tipsarević (quarterfinals)

• # 🇦🇷 Juan Martín del Potro (semifinals)

Seeds
• # 🇸🇰 Lukáš Lacko (qualified)

• # 🇹🇳 Malek Jaziri (qualifying competition)

• # 🇯🇵 Tatsuma Ito (qualifying competition)

• # 🇹🇷 Marsel İlhan (first round)

• # 🇩🇪 Michael Berrer (qualified)

• # Rik de Voest (first round)

• # 🇸🇮 Grega Žemlja (qualifying competition)

• # 🇰🇿 Andrey Golubev (qualified)

Qualifiers
• # 🇸🇰 Lukáš Lacko

• # 🇰🇿 Andrey Golubev

• # 🇩🇪 Michael Berrer

• # Marco Chiudinelli