Has an Olympic Basketball (Men) game ever ended 116-81?
Exactly once. On July 29, 2021, Slovenia beat Japan 116-81, and no Olympic Basketball (Men) game before or since has ended that way. When it happened it was a scorigami, the first 116-81 in league history.
That makes 116-81 the 126th most common final score out of 698 that have ever occurred in Olympic Basketball (Men). One point away, 117-81 has happened never and 116-82 has happened never.