IMPACT Wrestling: Under Siege 2021

Under Siege was a professional wrestling event produced by Impact Wrestling. It took place on May 15, 2021 at the Skyway Studios in Nashville, Tennessee. It aired exclusively on Impact Plus. Nine matches were contested at the event.

• Quinn OjinnakaMoose
• Chris BeyChris Bey
• Josh HarterChris Sabin
• Matthew CardonaMatt Cardona
• Samuel Alton JohnstonSami Callihan
• Trey McBrayerTrey Miguel
• Eric MaherEddie Edwards
• David Stephen Finlay IIIDave Finlay
• Joseph RobinsonJuice Robinson
• Tyson SmithKenny Omega
• Drew HankinsonDoc Gallows
• Chad AllegraKarl Anderson