2021 Dubai Tennis Championships – Men's doubles

John Peers and Michael Venus were the defending champions, but they chose not to participate.

Juan Sebastián Cabal and Robert Farah won the title, defeating Nikola Mektić and Mate Pavić in the final, 7–6(7–0), 7–6(7–4).

Seeds
• # 🇨🇴 Juan Sebastián Cabal / 🇨🇴 Robert Farah (champions)

• # Nikola Mektić / Mate Pavić (final)

• # Wesley Koolhof / 🇵🇱 Łukasz Kubot (quarterfinals)

• # Ivan Dodig / 🇸🇰 Filip Polášek (semifinals)

Seeds
• # Marcelo Arévalo / Matwé Middelkoop (qualifying competition, Lucky losers)

• # 🇮🇹 Lorenzo Sonego / 🇮🇹 Andrea Vavassori (qualified)

Qualifiers

 * 1) 🇮🇹 Lorenzo Sonego / 🇮🇹 Andrea Vavassori

Lucky losers

 * 1)  Marcelo Arévalo /  Matwé Middelkoop