2021 ABN AMRO World Tennis Tournament – Doubles

Pierre-Hugues Herbert and Nicolas Mahut were the defending champions but Mahut chose not to participate. Herbert partnered Jan-Lennard Struff, but they lost in the quarterfinals to Nikola Mektić and Mate Pavić.

Mektić and Pavić won the title, defeating Kevin Krawietz and Horia Tecău in the final, 7–6(9–7), 6–2.

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

• # Nikola Mektić / Mate Pavić (champions)

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

• # 🇧🇷 Marcelo Melo / Jean-Julien Rojer (first round)

Seeds
• # Frederik Nielsen / 🇩🇪 Tim Pütz (first round)

• # 🇮🇳 Divij Sharan / 🇸🇰 Igor Zelenay (qualifying competition)

Qualifiers

 * 1)  Sander Arends /  David Pel