2021 Cary Challenger II – Doubles

Christian Harrison and Dennis Novikov were the defending champions but lost in the semifinals to William Blumberg and Max Schnur.

Blumberg and Schnur won the title after defeating Stefan Kozlov and Peter Polansky 6–4, 1–6, [10–4] in the final.

Seeds
• # 🇬🇧 Lloyd Glasspool / 🇺🇸 Nicholas Monroe (first round)

• # 🇺🇸 Evan King / 🇺🇸 Jackson Withrow (first round)

• # 🇺🇸 Robert Galloway / 🇺🇸 Alex Lawson (first round)

• # 🇺🇸 Christian Harrison / 🇺🇸 Dennis Novikov (semifinals)