2021 Hall of Fame Open – Doubles

Marcel Granollers and Sergiy Stakhovsky were the reigning champions from when the tournament was last held in 2019, but chose not to defend their title.

William Blumberg and Jack Sock won the title, defeating Austin Krajicek and Vasek Pospisil in the final, 6–2, 7–6(7–3).

Seeds
• # 🇳🇿 Marcus Daniell / 🇯🇵 Ben McLachlan (first round)

• # 🇮🇱 Jonathan Erlich / 🇲🇽 Santiago González (semifinals)

• # 🇫🇮 Harri Heliövaara / 🇦🇺 John-Patrick Smith (quarterfinals)

• # 🇬🇧 Luke Bambridge / 🇦🇺 Matt Reid (withdrew)