2011 Zucchetti Kos Tennis Cup – Doubles

Robin Haase and Rogier Wassen were the defending champions, but Haase decided not to participate. Wassen played alongside Jesse Huta Galung. They were eliminated already in the first round.

Julian Knowle and Michael Kohlmann won the title, defeating Colin Ebelthite and Adam Feeney 2–6, 7–5, [10–5] in the final.

Seeds
• # 🇦🇹 Julian Knowle / 🇩🇪 Michael Kohlmann (champions)

• # 🇩🇪 Dustin Brown / Lovro Zovko (first round)

• # 🇸🇪 Johan Brunström / 🇸🇪 Andreas Siljeström (semifinals)

• # 🇩🇪 Frank Moser / 🇬🇧 Ken Skupski (quarterfinals)