2021 Columbus Challenger – Men's doubles

Treat Huey and Nathaniel Lammons were the defending champions but chose not to defend their title.

Stefan Kozlov and Peter Polansky won the title after defeating Andrew Lutschaunig and James Trotter 7–5, 7–6(7–5) in the final.

Seeds
• # 🇺🇸 Robert Galloway / 🇺🇸 Alex Lawson (semifinals)

• # 🇺🇸 Evan King / 🇺🇸 Jackson Withrow (quarterfinals)

• # 🇺🇸 Christian Harrison / 🇺🇸 Dennis Novikov (first round)

• # 🇰🇷 Nam Ji-sung / 🇰🇷 Song Min-kyu (quarterfinals)