The Senate Republican leader fell in March at a fundraiser at the Waldorf Astoria hotel in Washington, D.C.
The 81-year-old Kentucky lawmaker was hospitalized as a result of the fall, then spent time in a physical therapy rehab facility.
“Needless to say, I’m very happy to be back,” he said.
McConnell as of Sunday was one of three senators off Capitol Hill for health-related reason: Pennsylvania Democrat Sen. John Fetterman return Monday after a hospital stay for depression, as California Democrat Sen. Dianne Feinstein remains at home trying to get better from the shingles virus.